[ISSUE #9891] Optimize pop orderly implementation to facilitate expansion

[qianye1001]

Change-Id: Ie2faff9942027a510c4550a9f2bf2df8c6283137

Which Issue(s) This PR Fixes

Fixes #9891

Brief Description

How Did You Test This Change?

[codecov-commenter]

Codecov Report

❌ Patch coverage is 52.94118% with 16 lines in your changes missing coverage. Please review.
✅ Project coverage is 48.29%. Comparing base (63d20eb) to head (8e60914).

Files with missing lines	Patch %	Lines
...pache/rocketmq/common/OrderedConsumptionLevel.java	0.00%	10 Missing ⚠️
.../broker/pop/orderly/QueueLevelConsumerManager.java	68.75%	4 Missing and 1 partial ⚠️
...apache/rocketmq/broker/pop/PopConsumerService.java	50.00%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #9892      +/-   ##
=============================================
- Coverage      48.39%   48.29%   -0.10%     
+ Complexity     12283    12263      -20     
=============================================
  Files           1314     1315       +1     
  Lines          93903    93918      +15     
  Branches       12046    12046              
=============================================
- Hits           45443    45361      -82     
- Misses         42852    42934      +82     
- Partials        5608     5623      +15     

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[lollipopjin]

LGTM