Fix bug pull request files will be broken if head repo was transfered to another user or orgnization#8569

zeripath merged 1 commit intogo-gitea:release/v1.10go-gitea/gitea:release/v1.10from

lunny:lunny/update_pr_headusername_when_transfer_repo2lunny/gitea:lunny/update_pr_headusername_when_transfer_repo2Copy head branch name to clipboard