Verify namespace permissions before adding ns controller

[rubenvp8510]

Signed-off-by: Ruben Vargas [email protected]

Which problem is this PR solving?

• Fixes Namespace controller try to watch on non-cluster wide mode #1919

Short description of the changes

• Before adding namespace controller we need to check the permissions, if not namespace controller will be added and prevent the operator to start in non cluster-wide mode.

[rubenvp8510]

@frzifus Could you review?

Thanks

[codecov]

Codecov Report

Merging #1914 (54d89f0) into main (5044aa9) will not change coverage.
The diff coverage is n/a.

❗ Current head 54d89f0 differs from pull request most recent head 39b7fde. Consider uploading reports for the commit 39b7fde to get more accurate results

@@           Coverage Diff           @@
##             main    #1914   +/-   ##
=======================================
  Coverage   88.25%   88.25%           
=======================================
  Files         100      100           
  Lines        6303     6303           
=======================================
  Hits         5563     5563           
  Misses        543      543           
  Partials      197      197           

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