feat: add support for filtering apps by path and files

[slashexx]

Fixes #21052

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.
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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 32 lines in your changes missing coverage. Please review.

Project coverage is 53.81%. Comparing base (6a3cdb6) to head (d8131cb).

Files with missing lines	Patch %	Lines
util/argo/argo.go	0.00%	22 Missing ⚠️
cmd/argocd/commands/app.go	0.00%	10 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #21126      +/-   ##
==========================================
- Coverage   55.19%   53.81%   -1.38%     
==========================================
  Files         324      324              
  Lines       55603    55635      +32     
==========================================
- Hits        30691    29941     -750     
- Misses      22293    23095     +802     
+ Partials     2619     2599      -20     

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