Problems with soft keyboards overlapping apps

[AnotherElk]

This here sounds like it could be worth a try to play around with, too …

Device settings not accessible in landscape mode

Or got to settings > display and play with font and display size. If display size is set to default, the quick settings icons are too large. I think this is a design issue in Android 9. Simply set display size one level smaller and font size one level up to compensate.