Elements selected in 1.2 score don't de-select

1. Open attached score (produced in 1.2).

Result: The arpeggios are selected.

2. Click somewhere on the page.

Expected result: The arpeggios are de-selected.
Actual result: The arpeggios are still selected.

Discussion: They are selected in 1.2 too, but you can click somewhere to de-select them.

Workaround: Click on the arpeggios to de-select them, or move the note via keyboard and 'Undo'.

Using MuseScore 2.0 Nightly Build (e04dc04) - Mac 10.7.5.