Deleting all clef changes introduces new clefs, that cannot be removed
Attached score was imported from midi, also attached. Only change applied was Instruments.
First two pages:
I now select the courtesy clef in measure 21 and all similar elements:
Then I remove the selection:
As a result, new courtesy clefs appear:
These I cannot delete:
I have found no proper workaround while editing, but the problem goes away after saving and reloading the score. So it seems more a display issue than a functional one.
(Cannot select 3.0 release, selected dev instead.
Actual version used: OS: macOS 10.14, Arch.: x86_64, MuseScore version (64-bit): 188.8.131.5237, revision: c1a5e4c)