fix: avoid memory overhead when there is large number of LMQ CQ

[lizhanhui]

Which Issue(s) This PR Fixes

Fixes #8829

Brief Description

How Did You Test This Change?

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 66.66667% with 2 lines in your changes missing coverage. Please review.

Project coverage is 47.65%. Comparing base (c13f051) to head (5d7e6e5).

Files with missing lines	Patch %	Lines
...rocketmq/store/queue/RocksDBConsumeQueueStore.java	33.33%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #8956      +/-   ##
=============================================
- Coverage      47.66%   47.65%   -0.02%     
+ Complexity     11760    11743      -17     
=============================================
  Files           1303     1303              
  Lines          91064    91068       +4     
  Branches       11681    11683       +2     
=============================================
- Hits           43408    43398      -10     
- Misses         42282    42297      +15     
+ Partials        5374     5373       -1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

---

🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests