[Pull-based Ingestion] Fix snappy related Kafka errors and relax thread leak checks

[varunbharadwaj]

Description

This PR is a follow up for pull-based-ingestion to fix the following:

1. Snappy library errors from Kafka poller.
2. Flaky test failures in IngestFromKafkaIT by relaxing thread leak checks and closing Kafka test container.

Related Issues

Resolves #17215

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❌ Gradle check result for 3d45a2a: FAILURE

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❌ Gradle check result for f988bd8: FAILURE

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❌ Gradle check result for 5b8349a: FAILURE

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❌ Gradle check result for fd8dbef: FAILURE

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❌ Gradle check result for 662fac7: FAILURE

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✅ Gradle check result for 670e471: SUCCESS

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.35%. Comparing base (6fb0c1b) to head (0313be2).
Report is 18 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #17240      +/-   ##
============================================
+ Coverage     72.24%   72.35%   +0.10%     
- Complexity    65704    65743      +39     
============================================
  Files          5318     5318              
  Lines        305674   305674              
  Branches      44349    44349              
============================================
+ Hits         220834   221161     +327     
+ Misses        66769    66408     -361     
- Partials      18071    18105      +34     

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[github-actions]

✅ Gradle check result for 0313be2: SUCCESS