Throttle async pipe sink on receiver reject

[Caideyipi]

Summary

• add per-receiver endpoint backoff in the async data region pipe sink when the receiver reports temporary unavailable/write reject
• record receiver status in the common async transfer handler and wait before subsequent sends to the same endpoint
• cover the common handler behavior with a focused unit test

Tests

• mvn "-Ddevelocity.off=true" spotless:apply -pl iotdb-core/datanode
• git diff --check
• mvn "-Ddevelocity.off=true" -pl iotdb-core/datanode "-Dtest=PipeTransferTrackableHandlerTest" test (fails during existing datanode compile errors unrelated to this change, e.g. missing PipePeriodicalLogReducer, parser identifier(), CalcMessages fields)

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

❌ Patch coverage is 14.77273% with 75 lines in your changes missing coverage. Please review.
✅ Project coverage is 41.03%. Comparing base (aec7dfb) to head (b20b487).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...rotocol/thrift/async/IoTDBDataRegionAsyncSink.java	3.12%	62 Missing ⚠️
...ft/async/handler/PipeTransferTrackableHandler.java	45.83%	13 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #17928      +/-   ##
============================================
- Coverage     41.04%   41.03%   -0.01%     
  Complexity      318      318              
============================================
  Files          5252     5252              
  Lines        364388   364465      +77     
  Branches      47096    47116      +20     
============================================
- Hits         149551   149548       -3     
- Misses       214837   214917      +80     

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