Fix markdown newline handling during IME composition (#36421)#36424

lunny merged 2 commits into

go-gitea:release/v1.25go-gitea/gitea:release/v1.25from

tyroneyeh:release/v1.25_IMEEnterIssuetyroneyeh/gitea:release/v1.25_IMEEnterIssueCopy head branch name to clipboard