Focus lost when opening score after disabling Documents Side by Side/Stacked
1. Open score.
2. Enable 'Documents Side by Side/Stacked'.
3. Disable 'Documents Side by Side/Stacked'.
4. Open another score.
6. 'Play', or change zoom.
Result: Doesn't affect score.
Note: If you click the score, it will be fine.
Using MuseScore 2.0 Nightly Build a73cb49 - Mac 10.7.5.