Courtesy accidental doesn't disappear upon moving note
1. Create score.
2. Add C.
2. Add courtesy sharp to note.
3. Add another courtesy sharp to note.
3. Click on note.
4. Move it up or down.
Expected result: Accidental disappears and note moves normally.
Actual result: Note changes aurally, but visually retains a sharp when moving anywhere.
Using MuseScore 2.0 Nightly Build (4367) - Mac 10.6.7.