[Backport 2.x] Minor bug fix related to cluster manager throttling settings

[dhwanilpatel]

Signed-off-by: Dhwanil Patel dhwanip@amazon.com

Description

Backporting of minor bug fix of cluster manager throttling settings.

Original PR: #5524

Issues Resolved

#479

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/8233/
• CommitID: 7bf3e44

[codecov-commenter]

Codecov Report

Merging #5598 (7bf3e44) into 2.x (c0eea5c) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##                2.x    #5598   +/-   ##
=========================================
  Coverage     70.62%   70.63%           
- Complexity    58461    58463    +2     
=========================================
  Files          4724     4724           
  Lines        279947   279952    +5     
  Branches      40830    40831    +1     
=========================================
+ Hits         197725   197752   +27     
+ Misses        65737    65712   -25     
- Partials      16485    16488    +3     

Impacted Files	Coverage Δ
...h/cluster/service/ClusterManagerTaskThrottler.java	88.60% <100.00%> (+0.76%)	⬆️
.../org/opensearch/cluster/service/MasterService.java	84.49% <100.00%> (-1.07%)	⬇️
.../java/org/opensearch/node/NodeClosedException.java	50.00% <0.00%> (-50.00%)	⬇️
.../org/opensearch/client/indices/AnalyzeRequest.java	31.00% <0.00%> (-44.00%)	⬇️
...pensearch/indices/breaker/CircuitBreakerStats.java	27.77% <0.00%> (-41.67%)	⬇️
...h/action/ingest/SimulateDocumentVerboseResult.java	60.71% <0.00%> (-39.29%)	⬇️
...cluster/coordination/PublishClusterStateStats.java	33.33% <0.00%> (-37.51%)	⬇️
...opensearch/index/reindex/BulkByScrollResponse.java	48.38% <0.00%> (-28.23%)	⬇️
...rc/main/java/org/opensearch/ingest/IngestInfo.java	51.72% <0.00%> (-27.59%)	⬇️
.../opensearch/client/indices/GetMappingsRequest.java	47.05% <0.00%> (-23.53%)	⬇️
... and 470 more

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