✨ make extension and clusterextension api consistent

[ankitathomas]

This PR makes the clusterextension api more consistent with the extension api by:

• copying over missing fields to the clusterextension api
• adding the Progressing condition to indicate a progressing installation
• updating the Installed condition to match the extension controller's behavior.

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 70.47619% with 31 lines in your changes are missing coverage. Please review.

Project coverage is 71.70%. Comparing base (6d73b73) to head (a934c27). Report is 10 commits behind head on main.

Files	Patch %	Lines
api/v1alpha1/zz_generated.deepcopy.go	34.78%	15 Missing :warning:
...nternal/controllers/clusterextension_controller.go	70.00%	9 Missing and 3 partials :warning:
internal/controllers/extension_controller.go	76.47%	4 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #842      +/-   ##
==========================================
+ Coverage   71.02%   71.70%   +0.68%     
==========================================
  Files          17       18       +1     
  Lines        1301     1329      +28     
==========================================
+ Hits          924      953      +29     
+ Misses        304      300       -4     
- Partials       73       76       +3     

Flag	Coverage Δ
e2e	44.77% <55.23%> (+2.03%)	:arrow_up:
unit	63.76% <61.90%> (+0.17%)	:arrow_up:

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[varshaprasad96]

Please hold this from merging till https://github.com/operator-framework/operator-controller/pull/846 gets in. Thanks!

[ankitathomas]

/hold