[Backport 2.x] [Remote Store] Fix stats api bugs (#7739) & (#7774)#7838

Merged

andrross merged 2 commits intoopensearch-project:2.xfrom ashking94:backport-7739

May 31, 2023

+145-31

Commits on May 31, 2023

[Remote Store] Fix shards condition in stats api (opensearch-project#7739 )
ashking94
committed
Fix remote store stats api rejection count response (opensearch-project#7775 )
ashking94
committed