Fix closed-index reroute handling - Shard routings for closed index are allocated again without opening the index#20558

srikanthpadakanti wants to merge 6 commits intoopensearch-project:mainopensearch-project/OpenSearch:mainfrom

srikanthpadakanti:20200-closed-index-reroute-fixsrikanthpadakanti/OpenSearch:20200-closed-index-reroute-fixCopy head branch name to clipboard