enhancement(kcmas): object index

[zzzzhhb]

What type of PR is this?

Enhancements

What this PR does / why we need it:

this PR supports index when query from custom metrics.

Which issue(s) this PR fixes:

Special notes for your reviewer:

[codecov]

Codecov Report

Attention: 31 lines in your changes are missing coverage. Please review.

Comparison is base (ad438bc) 53.35% compared to head (121cc5d) 53.54%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #349      +/-   ##
==========================================
+ Coverage   53.35%   53.54%   +0.18%     
==========================================
  Files         436      436              
  Lines       47963    48034      +71     
==========================================
+ Hits        25592    25721     +129     
+ Misses      19490    19429      -61     
- Partials     2881     2884       +3     

Flag	Coverage Δ
unittest	53.54% <67.02%> (+0.18%)	⬆️

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

Files	Coverage Δ
pkg/custom-metric/provider/provider.go	83.40% <ø> (-0.15%)	⬇️
pkg/custom-metric/store/data/cache.go	96.29% <100.00%> (+0.10%)	⬆️
pkg/custom-metric/store/local/local_store.go	66.18% <55.71%> (-3.91%)	⬇️

... and 24 files with indirect coverage changes

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