Rework predicates in TransportGetSnapshotsAction#79517

DaveCTurner merged 2 commits intoelastic:masterelastic/elasticsearch:masterfrom

DaveCTurner:2021-10-19-refactor-get-snapshots-predicatesDaveCTurner/elasticsearch:2021-10-19-refactor-get-snapshots-predicatesCopy head branch name to clipboard