feat: Argo CD CLI Admin Setting RBAC Can AppProject Roles Support (#11950)

[bdun1013]

Closes #11950

This PR updates the argocd admin settings rbac can --namespace <namespace> CLI command to include AppProject Roles in RBAC permissions checks involving Application Specific Policies.

This PR does not support reading AppProject's from a file similar to how global policies may be loaded from a file with --policy-file <policy-file> instead of --namespace <namespace. If there is interest in this, I would be open to updating the code to also support it.

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).

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[codecov]

Codecov Report

Attention: Patch coverage is 49.27536% with 35 lines in your changes missing coverage. Please review.

Project coverage is 55.20%. Comparing base (635e592) to head (b658818).
Report is 4 commits behind head on master.

Files with missing lines	Patch %	Lines
cmd/argocd/commands/admin/settings_rbac.go	49.27%	33 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #19502      +/-   ##
==========================================
+ Coverage   55.18%   55.20%   +0.01%     
==========================================
  Files         337      337              
  Lines       57058    57106      +48     
==========================================
+ Hits        31487    31524      +37     
- Misses      22875    22887      +12     
+ Partials     2696     2695       -1     

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[jannfis]

Nice, thank you!

Just had a minor question, nothing that would prevent this PR from merging. Please see below.