fix(rbac): application in any namespace inconsistent permissions

[agaudreault]

Code Changes:

• UI - Added appRBACName() helper and updated all canI() calls to send namespace
• Server - Added normalization in CanI() method using security.RBACName()
• Tests - Added comprehensive unit and integration tests

Key Behavior:

• Apps in default namespace: project/defaultNS/name → normalized to project/name
• Apps in other namespaces: project/otherNS/name → kept as project/otherNS/name
• Glob pattern * matches / separator, so project/* matches both formats

Fixes #25289

[bunnyshell]

✅ Preview Environment deployed on Bunnyshell

Component	Endpoints
argocd	https://argocd-73myum.bunnyenv.com/
argocd-ttyd	https://argocd-web-cli-73myum.bunnyenv.com/

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 63.15%. Comparing base (382c507) to head (bb3fa07).
⚠️ Report is 27 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #26926      +/-   ##
==========================================
+ Coverage   63.09%   63.15%   +0.06%     
==========================================
  Files         414      414              
  Lines       56316    56466     +150     
==========================================
+ Hits        35533    35662     +129     
- Misses      17415    17433      +18     
- Partials     3368     3371       +3     

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