I don’t see the exact same issue if I change the settings… but the smallest phone I have access to has a 360px wide viewport, and I know some older devices might be as narrow as 320px, so maybe that’s why.
If I pinch-to-zoom then open a menu I run into the problem… we implemented a swipe-to-close feature on these menus some time ago, and that renders me unable to pan the screen while zoomed in, which is an accessibility issue we should fix.