[BugFix] Handle opaque NullPointerException for unresolvable alias-type field path#5536

ahkcs merged 4 commits into

opensearch-project:mainopensearch-project/sql:mainfrom

RyanL1997:fix/5535-alias-unresolved-path-npeRyanL1997/sql:fix/5535-alias-unresolved-path-npeCopy head branch name to clipboard