[Linux] Window doesn't Start mazimized
1) First time starting MuseScore: It opens in not maximized window (doesn't take the whole desktop place.
2) Maximize the window by clicking on the window handle
3) Close MuseScore (File > Close or use the window handle)
4) Start again MuseScore: It opens in not maximized window.
MuseScore retains the window size just before it was closed (for example: Maximized)