Ability to "select all" flow runs in a list for bulk deleting #1812
Description
Users have scenarios where they want to filter flow runs by certain parameters and delete all the runs that match. Currently they'd have to select each listed item one-by-one, which is grueling when there are many. Alternatively they could bulk delete via the API, but they'd prefer not to have to do that.
Let's provide them a way of selecting all listed runs:
When all have been selected:
If the user has manually selected an item or two:
