Add option to minimize EAM after game launch

**Is your feature request related to a problem? Please describe.**
-

**Describe the solution you'd like**
- Minimize EAM after the game is started
- Best case: Minimize to task-tray

**Describe alternatives you've considered**
- Close EAM after the game is started

**Additional context**
Requested in Discord by: Pozzo (rspozzo)
