UI - GitOps mode, 2/3

[jacobshandling]

For #26229

This is the 2nd iterative PR for this ticket. It includes:

• tests with a new testing utility

• refactored argument and class names

• another batch of UI updates

• Added/updated automated tests

• Manual QA for all new/changed functionality

[codecov]

Codecov Report

Attention: Patch coverage is 53.84615% with 24 lines in your changes missing coverage. Please review.

Project coverage is 63.88%. Comparing base (a748e92) to head (3b4afa4).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...ons/components/IntegrationForm/IntegrationForm.tsx	0.00%	5 Missing ⚠️
...s/MdmSettings/components/IdpSection/IdpSection.tsx	0.00%	5 Missing ⚠️
frontend/components/FileDetails/FileDetails.tsx	0.00%	4 Missing ⚠️
...nsPage/cards/ChangeManagement/ChangeManagement.tsx	0.00%	4 Missing ⚠️
...min/IntegrationsPage/cards/Calendars/Calendars.tsx	0.00%	3 Missing ⚠️
frontend/components/FileUploader/FileUploader.tsx	50.00%	1 Missing ⚠️
...onents/AddIntegrationModal/AddIntegrationModal.tsx	0.00%	1 Missing ⚠️
...ryAutomationsModal/ManageQueryAutomationsModal.tsx	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #26509      +/-   ##
==========================================
+ Coverage   63.86%   63.88%   +0.01%     
==========================================
  Files        1661     1661              
  Lines      159230   159170      -60     
  Branches     4109     4110       +1     
==========================================
- Hits       101700   101692       -8     
+ Misses      49590    49541      -49     
+ Partials     7940     7937       -3     

Flag	Coverage Δ
frontend	53.99% <53.84%> (-0.01%)	⬇️

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[sgress454]

I'm not sure its worth putting in the changes for these four modals, as I'll have to back them completely out and add them to the PoliciesPaginatedList instead 🫤

[jacobshandling]

Okay, I'll back those changes out now

[sgress454]

I was able to test everything besides the MDM-specific stuff, which looks good code-wise.