Use OldRef instead of CommitSHA for DeleteBranch comments#14604

lunny merged 4 commits intogo-gitea:mastergo-gitea/gitea:masterfrom

zeripath:fix-14545-CommentTypeDeleteBranch-should-use-old-ref-not-commitshazeripath/gitea:fix-14545-CommentTypeDeleteBranch-should-use-old-ref-not-commitshaCopy head branch name to clipboard