[ISSUE #8402] Fix init retry topic offset incorrect when EscapeBridge enabled

[imzs]

• fix [Bug] corner case, pop of retryTopic from maxOffset will skip a few messages incorrectly when EscapeBridge enabled #8402
• fix typo and make method public access

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 60.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 45.12%. Comparing base (d9d53d5) to head (0f060a1).

Files	Patch %	Lines
...rocketmq/broker/processor/PopMessageProcessor.java	75.00%	0 Missing and 1 partial ⚠️
...he/rocketmq/broker/processor/PopReviveService.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             develop    #8404   +/-   ##
==========================================
  Coverage      45.12%   45.12%           
- Complexity     10931    10941   +10     
==========================================
  Files           1274     1274           
  Lines          88970    88970           
  Branches       11434    11434           
==========================================
+ Hits           40144    40146    +2     
- Misses         43826    43827    +1     
+ Partials        5000     4997    -3     

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