[Pull-based Ingestion] Include ingestionStatus in index metadata xcontent serialization and fail fast on parsing errors

[varunbharadwaj]

Description

This PR includes following small fixes and optimizations.

1. Include the ingestion status field in IndexMetadata in to/fromXContent.
2. Fail fast for mapper/parsing errors avoiding retry.
3. Add index name in error logs for easy debugging.
4. Add validations for all-active ingestion to validate replication type.

Related Issues

Resolves #19286

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❌ Gradle check result for 68ff8d4: FAILURE

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✅ Gradle check result for 68ff8d4: SUCCESS

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Codecov Report

❌ Patch coverage is 82.22222% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.97%. Comparing base (e5d01b5) to head (6a68698).
⚠️ Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
...g/opensearch/cluster/metadata/IngestionStatus.java	72.22%	1 Missing and 4 partials ⚠️
...org/opensearch/cluster/metadata/IndexMetadata.java	92.30%	0 Missing and 1 partial ⚠️
...rch/indices/pollingingest/DefaultStreamPoller.java	75.00%	1 Missing ⚠️
...ndices/pollingingest/MessageProcessorRunnable.java	90.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #19320      +/-   ##
============================================
- Coverage     73.03%   72.97%   -0.07%     
+ Complexity    69997    69935      -62     
============================================
  Files          5676     5676              
  Lines        320923   320959      +36     
  Branches      46392    46401       +9     
============================================
- Hits         234396   234211     -185     
- Misses        67610    67801     +191     
- Partials      18917    18947      +30     

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✅ Gradle check result for 8bd696a: SUCCESS

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❌ Gradle check result for 6a68698: FAILURE

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✅ Gradle check result for 6a68698: SUCCESS