fix: respect namespace set by user

[shanshanying]

• fix [BUG] report cluster ignores namespace #614

[codecov-commenter]

Codecov Report

❌ Patch coverage is 40.00000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 41.91%. Comparing base (5de2a8d) to head (fd35e02).

Files with missing lines	Patch %	Lines
pkg/cmd/report/report.go	40.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #613   +/-   ##
=======================================
  Coverage   41.91%   41.91%           
=======================================
  Files         184      184           
  Lines       24643    24644    +1     
=======================================
+ Hits        10328    10329    +1     
  Misses      13161    13161           
  Partials     1154     1154           

Flag	Coverage Δ
unittests	41.91% <40.00%> (+<0.01%)	⬆️

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[shanshanying]

/approve to trigger test

[shanshanying]

/pick release-1.0