[8.19] [ES|QL] Renames the ESQLRealField type to ESQLFieldWithMetadata (#219894)#220190

stratoula merged 2 commits intoelastic:8.19elastic/kibana:8.19from

stratoula:backport/8.19/pr-219894stratoula/kibana:backport/8.19/pr-219894Copy head branch name to clipboard