scheduler: quota debug api support multi tree

[shaloulcy]

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: 5 lines in your changes are missing coverage. Please review.

Comparison is base (58850b4) 65.91% compared to head (7ac173b) 65.93%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1706      +/-   ##
==========================================
+ Coverage   65.91%   65.93%   +0.02%     
==========================================
  Files         384      384              
  Lines       41613    41623      +10     
==========================================
+ Hits        27430    27446      +16     
+ Misses      12145    12144       -1     
+ Partials     2038     2033       -5     

Flag	Coverage Δ
unittests	65.93% <61.53%> (+0.02%)	⬆️

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

Files	Coverage Δ
...heduler/plugins/elasticquota/core/quota_summary.go	0.00% <ø> (ø)
...g/scheduler/plugins/elasticquota/plugin_service.go	71.42% <100.00%> (+2.19%)	⬆️
...r/plugins/elasticquota/core/group_quota_manager.go	73.80% <0.00%> (-0.10%)	⬇️
.../scheduler/plugins/elasticquota/core/quota_info.go	81.96% <0.00%> (-0.53%)	⬇️
...kg/scheduler/plugins/elasticquota/quota_handler.go	80.88% <75.00%> (+4.11%)	⬆️

... and 4 files with indirect coverage changes

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[eahydra]

/lgtm
/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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