fix(override): failed to override finalizers

[JackZxj]

see: #328

[codecov]

Codecov Report

Attention: Patch coverage is 87.50000% with 1 line in your changes missing coverage. Please review.

Project coverage is 33.91%. Comparing base (f16c725) to head (cb49360).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/controllers/override/util.go	87.50%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #338      +/-   ##
==========================================
- Coverage   33.94%   33.91%   -0.03%     
==========================================
  Files         156      156              
  Lines       14723    14730       +7     
==========================================
- Hits         4997     4995       -2     
- Misses       9204     9214      +10     
+ Partials      522      521       -1     

Flag	Coverage Δ
unittests	33.91% <87.50%> (-0.03%)	⬇️

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[qclc]

/lgtm

[qclc]

/approve