[Backport 1.3] [Backport 1.x] removed recursion from Explain Action to avoid stackoverflow in some …

[opensearch-trigger-bot]

Backport 4df1b41 from #420

[codecov-commenter]

Codecov Report

Merging #424 (b02148a) into 1.3 (25be3d9) will decrease coverage by 0.25%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##                1.3     #424      +/-   ##
============================================
- Coverage     75.65%   75.39%   -0.26%     
+ Complexity     2010     2002       -8     
============================================
  Files           253      253              
  Lines         11490    11475      -15     
  Branches       1819     1816       -3     
============================================
- Hits           8693     8652      -41     
- Misses         1770     1810      +40     
+ Partials       1027     1013      -14     

Impacted Files	Coverage Δ
...transport/action/explain/TransportExplainAction.kt	71.12% <0.00%> (+5.28%)	⬆️
...xmanagement/rollup/actionfilter/FieldCapsFilter.kt	45.88% <0.00%> (-28.24%)	⬇️
...indexmanagement/rollup/model/RollupFieldMapping.kt	75.00% <0.00%> (-8.34%)	⬇️
...management/indexstatemanagement/MetadataService.kt	61.71% <0.00%> (-1.57%)	⬇️
...ndexstatemanagement/IndexStateManagementHistory.kt	78.72% <0.00%> (-1.42%)	⬇️
...nt/indexstatemanagement/ManagedIndexCoordinator.kt	66.86% <0.00%> (+0.29%)	⬆️
.../opensearch/indexmanagement/rollup/model/Rollup.kt	84.43% <0.00%> (+0.47%)	⬆️
...earch/indexmanagement/transform/TransformRunner.kt	87.14% <0.00%> (+0.71%)	⬆️
...ent/indexstatemanagement/util/ManagedIndexUtils.kt	78.03% <0.00%> (+1.40%)	⬆️
...arch/indexmanagement/rollup/RollupSearchService.kt	64.81% <0.00%> (+5.55%)	⬆️
... and 1 more

Help us with your feedback. Take ten seconds to tell us how you rate us.