fix(ssa): do not run auth reconcile with SSA (cherry pick of #28027 and #27601 to 3.4)

[Mangaal]

I am manually creating this PR to cherry pick because auto cherry pick has conflicts

Original PRs #28027 and #27601

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 Title of the PR
• 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).

[akhilnittala]

Tested scenario mentioned for #26175, working fine as expected.

[codecov]

Codecov Report

❌ Patch coverage is 51.63934% with 59 lines in your changes missing coverage. Please review.
✅ Project coverage is 63.80%. Comparing base (7f2fe95) to head (0fff269).

Files with missing lines	Patch %	Lines
gitops-engine/pkg/utils/kube/resource_ops.go	61.38%	33 Missing and 6 partials ⚠️
gitops-engine/pkg/utils/kube/ctl.go	0.00%	11 Missing ⚠️
gitops-engine/pkg/utils/kube/kubetest/mock.go	0.00%	4 Missing ⚠️
util/kube/kubectl.go	0.00%	2 Missing ⚠️
controller/sync.go	0.00%	1 Missing ⚠️
gitops-engine/pkg/sync/sync_context.go	0.00%	1 Missing ⚠️
server/application/application.go	50.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           release-3.4   #28265      +/-   ##
===============================================
+ Coverage        63.48%   63.80%   +0.31%     
===============================================
  Files              414      414              
  Lines            56610    56551      -59     
===============================================
+ Hits             35941    36080     +139     
+ Misses           17289    17079     -210     
- Partials          3380     3392      +12     

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