the width for a lot of .select-text

Before this change, the preset width `380px` could easily
be wider than the window.

- Added breakpoint for theme `select`s
- Added breakpoint for the UI scale slider

This moves all of the tooltips slightly to the left
when the window is narrow to reduce overflow.

When the display is narrow, the tooltip
can sometimes overflow, and it is very
difficult to predict how it will overflow
if the tool tip icon comes directly after
a locale string.

This change floats those icons into a
centralized location where the tooltip
can be guaranteed to not overflow.

This should make is easier to style the toggles
which contain tooltips specficially.