refactor(web): every textarea caps its growth; the diff comment box is a Textarea (#13036)

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
da89e102f8Julius Marminge committed on 9/22/2026, 7:22:17 PM· committed by GitHubparentd7736e0
6 files changedLine totals unavailable