Duplicate elements applied for each note in chord with range selection
1) Create a chord with three notes.
2) Shift-click on the chord, so that a range selection box appears around it.
3) Click [in 3.3 or below: double-click] a dynamic marking in the palettes.
Expected result: a dynamic is attached to the chord.
Actual result: three identical dynamics are applied on top of each other.
Previously reported at https://musescore.org/en/node/290316.