Zeit Radio (The Zeidio) 3.4.3 Release

- Fixed no/empty playlists breaking mod
- Fixed being able to remove all playlists
- Fixed radio sometimes failing to copy default files correctly
- Fixed backup system conflicting
- Improved broken user file detection
- Made Assistant scan for and remove non-existent songs from playlists
- Fixed radio breaking when playing non-existent song (now says "no song selected")
- Fixed opening Assistant when the mod isn't fully initialized yet
- Fixed literally unplayable™ "butten"
- Fixed radio repeating last song when playlist ends
- Fixed default UI-App size being slightly off

- Added icons to buttons in the Assistant
- Added radio settings to Assistant