Yes, we could adjust the screen width that triggers the menu change, but that won’t make the edit menu problem go away. It just reduces the size at which the problem occurs. Whilst I wouldn’t recommend editing on a phone, it’s perfectly possible on an iPad, even in portrait mode, and at present it doesn’t work for the reason you started this topic.
Incidentally the trigger has to be set in ‘px’, so what is the half horizontal width of your screen in px?