feat: Add controllerrevision for workspaceController

[bangqipropel]

Reason for Change:
Add contropllerrevision for workspace controller to mark the revision
Add unit test for contropllerrevision

Requirements

• added unit tests and e2e tests (if applicable).

Issue Fixed:

Notes for Reviewers:

[codecov]

Codecov Report

Attention: Patch coverage is 69.44444% with 22 lines in your changes missing coverage. Please review.

Project coverage is 58.88%. Comparing base (ed546f0) to head (5dbb438).
Report is 15 commits behind head on main.

Files	Patch %	Lines
pkg/controllers/workspace_controller.go	66.66%	18 Missing and 4 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #524      +/-   ##
==========================================
- Coverage   61.10%   58.88%   -2.22%     
==========================================
  Files          29       30       +1     
  Lines        2602     2790     +188     
==========================================
+ Hits         1590     1643      +53     
- Misses        921     1051     +130     
- Partials       91       96       +5     

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