[#ISSUE 7035] Fix correct min offset behavior in tiered storage

[lizhimins]

fix #7035

[codecov-commenter]

Codecov Report

Merging #7038 (b1f425e) into develop (440be1e) will increase coverage by 0.05%.
The diff coverage is 67.85%.

@@              Coverage Diff              @@
##             develop    #7038      +/-   ##
=============================================
+ Coverage      42.62%   42.67%   +0.05%     
- Complexity      9230     9253      +23     
=============================================
  Files           1136     1136              
  Lines          80652    80694      +42     
  Branches       10542    10546       +4     
=============================================
+ Hits           34375    34435      +60     
+ Misses         41981    41960      -21     
- Partials        4296     4299       +3     

Impacted Files	Coverage Δ
...rocketmq/broker/processor/PopMessageProcessor.java	45.36% <0.00%> (+0.61%)	⬆️
...che/rocketmq/tieredstore/TieredMessageFetcher.java	59.71% <ø> (ø)
...ieredstore/metrics/TieredStoreMetricsConstant.java	0.00% <ø> (ø)
.../java/org/apache/rocketmq/common/BrokerConfig.java	27.28% <25.00%> (-0.02%)	⬇️
...ache/rocketmq/tieredstore/file/TieredFlatFile.java	77.74% <63.63%> (+2.41%)	⬆️
...che/rocketmq/tieredstore/file/TieredCommitLog.java	68.75% <71.42%> (+6.58%)	⬆️
...e/rocketmq/tieredstore/file/CompositeFlatFile.java	78.39% <75.00%> (+0.21%)	⬆️
...q/tieredstore/provider/posix/PosixFileSegment.java	67.56% <83.33%> (+6.65%)	⬆️
.../apache/rocketmq/tieredstore/TieredDispatcher.java	46.40% <100.00%> (ø)
...cketmq/tieredstore/file/TieredFlatFileManager.java	50.00% <100.00%> (-0.64%)	⬇️

... and 16 files with indirect coverage changes

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[drpmma]

LGTM