Navmap UI enhancements (#23777)

Navmap UI enhancements (#23777)

* label scaling wip

* beacon toggle, cleanup

* weh

* caw

* Smooth scaling, almost-selectable font size, Magnification count, zoom scale accuracy change, opacity

* never asked for individual font sizes

* zoom

* format

* Fixes CrewMonitor and PowerMonitor using the default tile color as text background instead of their custom tile colors

* font customisation, needs UI elements

* Station map rightclick now works

* UI scale will keep the local systems in line

* adjusting font size to UI scale

* typo

* fix RT version

* putting cache back in its place

* toggle labels moved to Examine