test(web): reproduce issue 19530 Changes row ignoring panel base and whitespace

Tests reproduce issue 19530: the thread details Changes row keeps the
automatic, whitespace-counted totals instead of the comparison the
Changes panel opens.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
6ac4c35edbJulius Marminge committed on 10/24/2026, 11:22:08 AMparentbb7783e
1 file changedLine totals unavailable