koord-runtime-proxy: regard empty string for CpusetCpus and CpusetMem…

[honpey]

…s as valid

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

Merging #484 (203f439) into main (ddffb65) will decrease coverage by 0.07%.
The diff coverage is 100.00%.

❗ Current head 203f439 differs from pull request most recent head e443f21. Consider uploading reports for the commit e443f21 to get more accurate results

@@            Coverage Diff             @@
##             main     #484      +/-   ##
==========================================
- Coverage   68.07%   67.99%   -0.08%     
==========================================
  Files         149      149              
  Lines       16298    16295       -3     
==========================================
- Hits        11095    11080      -15     
- Misses       4381     4392      +11     
- Partials      822      823       +1     

Flag	Coverage Δ
unittests	67.99% <100.00%> (-0.08%)	⬇️

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

Impacted Files	Coverage Δ
pkg/runtimeproxy/resexecutor/cri/utils.go	87.23% <100.00%> (-0.40%)	⬇️
pkg/koordlet/runtimehooks/reconciler/reconciler.go	71.57% <0.00%> (-9.48%)	⬇️
pkg/util/httputil/reverseproxy.go	84.30% <0.00%> (-0.80%)	⬇️

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[zwzhang0107]

/lgtm

[jasonliu747]

/lgtm

[hormes]

/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hormes, jasonliu747

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