[ISSUE #9912] Reduce excessive requests for consumer offset timestamps in tiered storage

[lizhimins]

Which Issue(s) This PR Fixes

Fixes #9912

Brief Description

How Did You Test This Change?

[codecov-commenter]

Codecov Report

❌ Patch coverage is 45.83333% with 13 lines in your changes missing coverage. Please review.
✅ Project coverage is 48.79%. Comparing base (4c66580) to head (b0cd5f1).
⚠️ Report is 2 commits behind head on develop.

Files with missing lines	Patch %	Lines
...etmq/tieredstore/core/MessageStoreFetcherImpl.java	45.83%	9 Missing and 4 partials ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #9991      +/-   ##
=============================================
- Coverage      48.80%   48.79%   -0.01%     
- Complexity     12773    12776       +3     
=============================================
  Files           1327     1327              
  Lines          96441    96455      +14     
  Branches       12440    12445       +5     
=============================================
  Hits           47064    47064              
- Misses         43620    43624       +4     
- Partials        5757     5767      +10     

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