[Backport 2.19-dev] Pushdown sort by complex expressions to scan (#4750)#4818

LantaoJin merged 3 commits intoopensearch-project:2.19-devopensearch-project/sql:2.19-devfrom

songkant-aws:backport-sort-expr-pushdownsongkant-aws/sql:backport-sort-expr-pushdownCopy head branch name to clipboard