koordlet: report NRT zone resources mergeable

[saintube]

Ⅰ. Describe what this PR does

1. statesinformer: revise NRT reporting, mergeable update ZoneList so as to cooperate with NRT reporting of the other components.

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

Patch coverage: 73.68% and project coverage change: -0.03% ⚠️

Comparison is base (a21d99f) 65.82% compared to head (20033fd) 65.80%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1640      +/-   ##
==========================================
- Coverage   65.82%   65.80%   -0.03%     
==========================================
  Files         374      375       +1     
  Lines       39484    39531      +47     
==========================================
+ Hits        25992    26013      +21     
- Misses      11609    11631      +22     
- Partials     1883     1887       +4     

Flag	Coverage Δ
unittests	65.80% <73.68%> (-0.03%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
pkg/util/resource.go	74.31% <68.08%> (-4.73%)	⬇️
...statesinformer/impl/states_noderesourcetopology.go	66.82% <100.00%> (-0.66%)	⬇️

... and 10 files with indirect coverage changes

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[zwzhang0107]

/lgtm
/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hormes, zwzhang0107

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• pkg/koordlet/OWNERS [hormes,zwzhang0107]
• pkg/util/OWNERS [hormes]

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