[ISSUE #8976] Modify file segment construct method

[lizhimins]

Which Issue(s) This PR Fixes

Fixes #8976

Brief Description

How Did You Test This Change?

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 88.23529% with 4 lines in your changes missing coverage. Please review.

Project coverage is 47.64%. Comparing base (a8779c0) to head (6e25f6c).

Files with missing lines	Patch %	Lines
...ocketmq/tieredstore/provider/PosixFileSegment.java	80.95%	4 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #8977      +/-   ##
=============================================
+ Coverage      47.61%   47.64%   +0.03%     
- Complexity     11758    11759       +1     
=============================================
  Files           1304     1304              
  Lines          91188    91193       +5     
  Branches       11713    11713              
=============================================
+ Hits           43418    43449      +31     
+ Misses         42391    42360      -31     
- Partials        5379     5384       +5     

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[lollipopjin]

LGTM