[ISSUE #8341]Optimize LmqPullRequestHoldService#checkHoldRequest logic

[mxsm]

Which Issue(s) This PR Fixes

Fixes #8341

Brief Description

How Did You Test This Change?

[codecov-commenter]

Codecov Report

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

Project coverage is 43.16%. Comparing base (b31e0ce) to head (06da432).

Files	Patch %	Lines
.../broker/longpolling/LmqPullRequestHoldService.java	0.00%	1 Missing :warning:

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #8342      +/-   ##
=============================================
- Coverage      43.20%   43.16%   -0.05%     
+ Complexity     10524    10512      -12     
=============================================
  Files           1274     1274              
  Lines          88940    88940              
  Branches       11434    11434              
=============================================
- Hits           38428    38390      -38     
- Misses         45808    45838      +30     
- Partials        4704     4712       +8     

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.