Display after clef change undo
Steps to reproduce bug
1. Open demo.mscx
2. Drag a treble clef onto the percussion clef
3. Drag a bass clef onto the treble clef that you just added
4. Edit > Undo
Expected behavior: Clef should change and notes should move vertically but not horizontally.
Actual behavior: Notes from measure overlap with notes from measure 1
Workaround: Score looks fine after save and File > Reload.
MuseScore version: r. 2867 nightly.
(Operating System: Windows 7)