fix(appset): cherry-pick - fix appset-in-any-namespace issue with git generators

[ishitasequeira]

cherry-pick #19553 to release-2.12

Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this does not need to be in the release notes.
• The title of the PR states what changed and the related issues number (used for the release note).
• The title of the PR conforms to the Toolchain Guide
• I've included "Closes [ISSUE #]" or "Fixes [ISSUE #]" in the description to automatically close the associated issue.
• I've updated both the CLI and UI to expose my feature, or I plan to submit a second PR with them.
• Does this PR require documentation updates?
• I've updated documentation as required by this PR.
• I have signed off all my commits as required by DCO
• I have written unit and/or e2e tests for my change. PRs without these are unlikely to be merged.
• My build is green (troubleshooting builds).
• My new feature complies with the feature status guidelines.
• I have added a brief description of why this PR is necessary and/or what this PR solves.
• Optional. My organization is added to USERS.md.
• Optional. For bug fixes, I've indicated what older releases this fix should be cherry-picked into (this may or may not happen depending on risk/complexity).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 50.33%. Comparing base (7af4526) to head (733d2a4).
Report is 38 commits behind head on release-2.12.

Additional details and impacted files

@@              Coverage Diff              @@
##           release-2.12   #19558   +/-   ##
=============================================
  Coverage         50.32%   50.33%           
=============================================
  Files               312      312           
  Lines             43146    43150    +4     
=============================================
+ Hits              21715    21719    +4     
- Misses            18942    18946    +4     
+ Partials           2489     2485    -4     

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