[To dev/1.3] Fix stopping cn leader stuck when region region migration

[OneSizeFitsQuorum]

cp #14175

[sonarqubecloud]

Quality Gate failed

Failed conditions
C Maintainability Rating on New Code (required ≥ A)

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 41.21%. Comparing base (f260828) to head (2c54298).
Report is 1 commits behind head on dev/1.3.

Files with missing lines	Patch %	Lines
...onfignode/procedure/env/RegionMaintainHandler.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             dev/1.3   #14176   +/-   ##
==========================================
  Coverage      41.20%   41.21%           
  Complexity        71       71           
==========================================
  Files           3470     3470           
  Lines         222233   222234    +1     
  Branches       26400    26400           
==========================================
+ Hits           91580    91586    +6     
+ Misses        130653   130648    -5     

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