Fix map type combo box being disabled for good when you select image or mission map

Check existance of theme icon before loading it

Shorten and wrap map name properly when viewing room as non-master

Fix some map preview properly problems when host switches to image map mode w/ you missing the map

Show error icon when selected theme is missing

Add IsHiddenRole to ThemeModel for hidden themes

ThemeModel: Filter themes based on IsDlcRole rather than string-based

Online room: Display error image in preview when host selects a map you don't have

- Correct initialisation of TeamsGameOver (on mobile it doesn't get reset between plays, so ones set to true, prevents game to be finished next time)

Multiplayer page: Properly disable scheme/style/weapons widgets when changing style or mission map

Don't gray out images of disabled ToggleButtons as its a little too hard on the eyes The disabled state is visible by the button border color.

- New AppIcon (no more black background!)

- Migrate AppIcons to xcassets - Use universal launch screen instead of bunch of images

Fix crasher

- Missing languages