[Backport 2.11] Backports PRs #585 and #597 to 2.11

[jowg-amazon]

Description

Manual backports PRs #585 and #597 to 2.11

Issues Resolved

[List any issues this PR will resolve]

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

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[codecov]

Codecov Report

Attention: Patch coverage is 63.63636% with 28 lines in your changes are missing coverage. Please review.

Project coverage is 73.91%. Comparing base (bd2a4f1) to head (db2e8e9).

Files	Patch %	Lines
...opensearch/commons/alerting/model/DocLevelQuery.kt	72.00%	7 Missing ⚠️
...lin/org/opensearch/commons/alerting/model/Alert.kt	58.33%	4 Missing and 1 partial ⚠️
...n/org/opensearch/commons/alerting/model/Monitor.kt	28.57%	3 Missing and 2 partials ⚠️
...ch/commons/alerting/action/IndexWorkflowRequest.kt	71.42%	4 Missing ⚠️
...rch/commons/alerting/action/GetWorkflowResponse.kt	0.00%	2 Missing ⚠️
...opensearch/commons/alerting/model/action/Action.kt	0.00%	1 Missing and 1 partial ⚠️
...n/bucketselectorext/BucketSelectorExtAggregator.kt	0.00%	1 Missing ⚠️
...pensearch/commons/alerting/model/CompositeInput.kt	66.66%	1 Missing ⚠️
.../org/opensearch/commons/alerting/model/Workflow.kt	50.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               2.11     #615      +/-   ##
============================================
+ Coverage     73.56%   73.91%   +0.35%     
- Complexity      851      853       +2     
============================================
  Files           130      130              
  Lines          5651     5685      +34     
  Branches        696      698       +2     
============================================
+ Hits           4157     4202      +45     
+ Misses         1187     1173      -14     
- Partials        307      310       +3     

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