koordlet: fix podresources not found

[ZiMengSheng]

Ⅰ. Describe what this PR does

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[codecov]

Codecov Report

Attention: Patch coverage is 81.81818% with 2 lines in your changes missing coverage. Please review.

Project coverage is 65.93%. Comparing base (af357ca) to head (aead7c5).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...ordlet/statesinformer/impl/states_pod_resources.go	81.81%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2344      +/-   ##
==========================================
- Coverage   65.94%   65.93%   -0.01%     
==========================================
  Files         466      466              
  Lines       54879    54885       +6     
==========================================
  Hits        36191    36191              
- Misses      16074    16078       +4     
- Partials     2614     2616       +2     

Flag	Coverage Δ
unittests	65.93% <81.81%> (-0.01%)	⬇️

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[saintube]

/lgtm