Support query_string for rollup search

[Angie-Zhang]

Issue #, if available:

Meta Issue: #408
Issue: #320

Description of changes:

CheckList:

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[codecov-commenter]

Codecov Report

Merging #438 (f427fc4) into main (0f0ba16) will increase coverage by 0.08%.
The diff coverage is n/a.

❗ Current head f427fc4 differs from pull request most recent head 80afc68. Consider uploading reports for the commit 80afc68 to get more accurate results

@@             Coverage Diff              @@
##               main     #438      +/-   ##
============================================
+ Coverage     75.81%   75.90%   +0.08%     
+ Complexity     2466     2462       -4     
============================================
  Files           313      313              
  Lines         14411    14411              
  Branches       2227     2227              
============================================
+ Hits          10926    10938      +12     
+ Misses         2239     2225      -14     
- Partials       1246     1248       +2     

Impacted Files	Coverage Δ
...nt/indexstatemanagement/model/destination/Slack.kt	55.55% <0.00%> (-22.23%)	⬇️
...anagement/indexstatemanagement/model/Transition.kt	63.01% <0.00%> (-2.74%)	⬇️
...management/indexstatemanagement/MetadataService.kt	62.68% <0.00%> (-2.24%)	⬇️
...nt/indexstatemanagement/ManagedIndexCoordinator.kt	68.71% <0.00%> (-0.59%)	⬇️
.../opensearch/indexmanagement/rollup/model/Rollup.kt	85.58% <0.00%> (-0.47%)	⬇️
...arch/indexmanagement/rollup/RollupSearchService.kt	61.11% <0.00%> (ø)
...nsform/action/stop/TransportStopTransformAction.kt	77.77% <0.00%> (ø)
...xmanagement/indexstatemanagement/util/StepUtils.kt	87.64% <0.00%> (+2.24%)	⬆️
...gement/indexstatemanagement/action/ShrinkAction.kt	72.05% <0.00%> (+2.94%)	⬆️
...statemanagement/model/destination/CustomWebhook.kt	95.71% <0.00%> (+28.57%)	⬆️

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