Fix bucket level monitor findings to support term aggs in query

[eirsep]

Signed-off-by: Surya Sashank Nistala [email protected]

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[codecov-commenter]

Codecov Report

Merging #666 (c56df76) into main (1018fa2) will increase coverage by 0.04%.
The diff coverage is 82.22%.

@@             Coverage Diff              @@
##               main     #666      +/-   ##
============================================
+ Coverage     75.98%   76.03%   +0.04%     
  Complexity      116      116              
============================================
  Files           124      124              
  Lines          6580     6606      +26     
  Branches        974      980       +6     
============================================
+ Hits           5000     5023      +23     
- Misses         1086     1087       +1     
- Partials        494      496       +2     

Impacted Files	Coverage Δ
...opensearch/alerting/util/DocLevelMonitorQueries.kt	80.00% <81.25%> (+0.45%)	⬆️
...rg/opensearch/alerting/BucketLevelMonitorRunner.kt	79.56% <82.75%> (+0.39%)	⬆️
...destinationmigration/DestinationConversionUtils.kt	70.00% <0.00%> (-1.12%)	⬇️
...nationmigration/DestinationMigrationUtilService.kt	81.45% <0.00%> (-0.81%)	⬇️
...ain/kotlin/org/opensearch/alerting/AlertService.kt	79.06% <0.00%> (+0.46%)	⬆️
...ensearch/alerting/util/AggregationQueryRewriter.kt	74.35% <0.00%> (+2.56%)	⬆️
...ing/model/destination/DestinationContextFactory.kt	78.57% <0.00%> (+3.57%)	⬆️

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