Reverts the editor's paragraph navigation behavior that was changed in #47734. Whitespace-only lines are now treated as paragraph boundaries again for non-vim mode users. Vim mode retains its own implementation where only truly empty lines are paragraph boundaries. Release Notes: - Fixed editor paragraph navigation to treat whitespace-only lines as paragraph boundaries again --------- Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com> Co-authored-by: dino <dinojoaocosta@gmail.com>