Split staff drops lower notes
Steps to reproduce bug
1. Open file: "jako1.mscz "
2. Right click on the empty part of a measure and choose "Split Staff..."
3. Press "OK" to dismiss the "Split Staff" dialog
Expected behavior: All the notes of the original chords should appear somewhere on the score
Actual behavior: The lower staff shows only single notes (instead of chords) and drops all lower notes from chords.
Visual comparison: http://i.imgur.com/SrtEC.jpg
MuseScore version: 0.9.6.3 stable and r. 3548 trunk
(Operating System: Windows 7)
first reported by simrama: http://musescore.org/en/node/7388