[ISSUE #7853] Fix the manualDeleteFileSeveralTimes count

[ChineseTony]

Which Issue(s) This PR Fixes

Fixes #7853

Brief Description

How Did You Test This Change?

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 71.42857% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 42.94%. Comparing base (0b05e9c) to head (1bf1bc7).

Files	Patch %	Lines
...org/apache/rocketmq/store/DefaultMessageStore.java	71.42%	2 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #7855      +/-   ##
=============================================
- Coverage      42.94%   42.94%   -0.01%     
+ Complexity      9913     9910       -3     
=============================================
  Files           1190     1190              
  Lines          86014    86014              
  Branches       11079    11079              
=============================================
- Hits           36942    36939       -3     
+ Misses         44495    44492       -3     
- Partials        4577     4583       +6     

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[leizhiyuan]

you can modify the pr title

#7852

like [ISSUE #7852] Fix