Clarify markdown preview fallback toast

Co-authored-by: Codex <codex@openai.com>
Co-authored-by: codex <codex@users.noreply.github.com>
64464dc09eWout Stiens committed on 6/21/2026, 2:33:17 AM· committed by Julius Marmingeparent0a79553
3 files changedLine totals unavailable