fix: Fix privilege group hasn't been register for validate

[weiliu1031]

issue: #35471
pr: #35937

[codecov]

Codecov Report

Attention: Patch coverage is 95.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 71.93%. Comparing base (6158ad3) to head (7da9f21).
Report is 6 commits behind head on 2.4.

Files with missing lines	Patch %	Lines
internal/rootcoord/root_coord.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##              2.4   #35938   +/-   ##
=======================================
  Coverage   71.92%   71.93%           
=======================================
  Files        1057     1057           
  Lines      139105   139122   +17     
=======================================
+ Hits       100051   100075   +24     
- Misses      34779    34780    +1     
+ Partials     4275     4267    -8     

Files with missing lines	Coverage Δ
internal/proxy/privilege_interceptor.go	85.06% <100.00%> (+1.03%)	⬆️
pkg/util/constant.go	100.00% <100.00%> (ø)
internal/rootcoord/root_coord.go	91.50% <0.00%> (ø)

... and 36 files with indirect coverage changes

[SimFG]

/lgtm

[SimFG]

/lgtm

[congqixia]

/approve

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: congqixia, weiliu1031

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• internal/proxy/OWNERS [congqixia]
• internal/rootcoord/OWNERS [congqixia]
• pkg/util/OWNERS [congqixia]
• tests/integration/OWNERS [congqixia]

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