improve flatten args in error context transformer

[DavidBadura]

No description provided.

[github-actions]

Hello 👋

here is the most recent benchmark result:

SimpleSetupBench
================

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 979.300μs (±0.00%) | 1.060ms (±0.00%)   | -7.61%    | 34.632mb        | 34.640mb   | -0.02%      |
| benchLoad10000Events ()                | 51.241ms (±0.00%)  | 51.783ms (±0.00%)  | -1.05%    | 34.632mb        | 34.640mb   | -0.02%      |
| benchSave1Event ()                     | 983.900μs (±0.00%) | 922.200μs (±0.00%) | +6.69%    | 34.128mb        | 34.128mb   | 0.00%       |
| benchSave10000Events ()                | 229.619ms (±0.00%) | 230.242ms (±0.00%) | -0.27%    | 34.128mb        | 34.128mb   | 0.00%       |
| benchSave10000Aggregates ()            | 8.014s (±0.00%)    | 8.711s (±0.00%)    | -8.01%    | 34.128mb        | 34.128mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 4.915s (±0.00%)    | 4.917s (±0.00%)    | -0.04%    | 34.128mb        | 34.128mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

SnapshotsBench
==============

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad10000EventsMissingSnapshot () | 53.387ms (±0.00%)  | 52.174ms (±0.00%)  | +2.32%    | 34.132mb        | 34.132mb   | 0.00%       |
| benchLoad10000Events ()                | 920.800μs (±0.00%) | 972.300μs (±0.00%) | -5.30%    | 34.132mb        | 34.132mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

SubscriptionEngineBatchBench
============================

+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
|                           | time (kde mode)                                   | memory                                     |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| subject                   | Tag: <current>    | Tag: base         | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| benchHandle10000Events () | 75.776ms (±0.00%) | 78.192ms (±0.00%) | -3.09%    | 34.596mb        | 34.596mb   | 0.00%       |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+

SubscriptionEngineBench
=======================

+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+
|                           | time (kde mode)                               | memory                                     |
+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+
| subject                   | Tag: <current>  | Tag: base       | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+
| benchHandle10000Events () | 3.170s (±0.00%) | 3.199s (±0.00%) | -0.90%    | 46.745mb        | 46.745mb   | 0.00%       |
+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+

PersonalDataBench
=================

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 870.400μs (±0.00%) | 890.400μs (±0.00%) | -2.25%    | 35.258mb        | 35.258mb   | 0.00%       |
| benchLoad10000Events ()                | 86.863ms (±0.00%)  | 88.709ms (±0.00%)  | -2.08%    | 35.258mb        | 35.258mb   | 0.00%       |
| benchSave1Event ()                     | 1.484ms (±0.00%)   | 1.470ms (±0.00%)   | +0.95%    | 35.258mb        | 35.258mb   | 0.00%       |
| benchSave10000Events ()                | 252.143ms (±0.00%) | 261.175ms (±0.00%) | -3.46%    | 35.259mb        | 35.259mb   | 0.00%       |
| benchSave10000Aggregates ()            | 12.104s (±0.00%)   | 12.431s (±0.00%)   | -2.63%    | 35.258mb        | 35.258mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 9.096s (±0.00%)    | 9.121s (±0.00%)    | -0.28%    | 35.759mb        | 35.759mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

SimpleSetupStreamStoreBench
===========================

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 1.021ms (±0.00%)   | 1.055ms (±0.00%)   | -3.27%    | 34.242mb        | 34.242mb   | 0.00%       |
| benchLoad10000Events ()                | 58.161ms (±0.00%)  | 60.816ms (±0.00%)  | -4.37%    | 34.242mb        | 34.242mb   | 0.00%       |
| benchSave1Event ()                     | 1.282ms (±0.00%)   | 1.081ms (±0.00%)   | +18.58%   | 34.242mb        | 34.242mb   | 0.00%       |
| benchSave10000Events ()                | 309.539ms (±0.00%) | 304.888ms (±0.00%) | +1.53%    | 34.242mb        | 34.242mb   | 0.00%       |
| benchSave10000Aggregates ()            | 8.435s (±0.00%)    | 8.236s (±0.00%)    | +2.42%    | 34.242mb        | 34.242mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 5.150s (±0.00%)    | 5.134s (±0.00%)    | +0.30%    | 34.242mb        | 34.242mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

SplitStreamBench
================

+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                         | time (kde mode)                                     | memory                                     |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                 | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad10000Events () | 4.510ms (±0.00%)   | 4.439ms (±0.00%)   | +1.60%    | 37.435mb        | 37.435mb   | 0.00%       |
| benchSave10000Events () | 351.081ms (±0.00%) | 352.789ms (±0.00%) | -0.48%    | 37.507mb        | 37.506mb   | +0.00%      |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

This comment gets update everytime a new commit comes in!