ci: test pre-staging expert token

[ppawlowski]

Description

Related Issue(s)

Checklist

• I have read the contribution guidelines
• Suitable unit/system level tests have been added and they pass
• Documentation has been updated
  • Upgrade instructions
  • Configuration details
  • Concepts
• Changes flowforge.yml?
  • Issue/PR raised on FlowFuse/helm to update ConfigMap Template
  • Issue/PR raised on FlowFuse/CloudProject to update values for Staging/Production
• Link to Changelog Entry PR, or note why one is not needed.

Labels

• Includes a DB migration? -> add the area:migration label

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 76.26%. Comparing base (df3ee49) to head (66c1931).

Files with missing lines	Patch %	Lines
forge/app.js	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7044   +/-   ##
=======================================
  Coverage   76.26%   76.26%           
=======================================
  Files         403      403           
  Lines       20317    20317           
  Branches     4889     4889           
=======================================
  Hits        15495    15495           
  Misses       4822     4822           

Flag	Coverage Δ
backend	76.26% <0.00%> (ø)

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