QTfrontent: Print map and style name in red, if missing. And update map label after delegation

Set plain text mode for gamecfg labels (scheme, style)

Display style name correctly if host selects a style you don't have

Change CrazyMission preview, change portal map theme to Hell

Fix initial map preview being broken when joining room, part 2

Partially fix wrong preview when joining host room with missing map

Add some isNull checks for some strings in mapContainer

Fix incorrect preview when selecting image map the first time in session

Fix theme chooser failing to filter themes by name

Force proper map and theme reset when host delegates to you if you don't have the map or theme

Map container: Add question mark in front of missing theme name

Tweak map preview background colors

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!)