Off canvas tray styling broken in Firefox

Gauravvvv → changed the visibility of the branch 3450256-off-canvas-tray to hidden.

Issue summary is missing sections

Seeing this as well. Appears to have started after the update to Firefox 126.0.

Off canvas styling broken in firefox after latest update.
Firefox version- 126 and above

When trying to use layout canvas on Firefox Title of layout canvas is hiding behind toolbar.
Also there is white spacing at bottom.

Steps to reproduce.

1. On firefox open layout canvas
2. Click on add section, when Layput canvas try opens n right side observe misalignment