App crashes when i change a note
Steps to reproduce:
1) In the file, I attached, navigate to the 12th measure, select the first note in the first part (Alto Sax). The note is now an eighth.
2) Try to change it to quarter by clicking on the quarter note
The complete app crashes.
OS: Ubuntu 20.04.2 LTS, Arch.: x86_64, MuseScore version (64-bit): 18.104.22.1688029273, revision: 415b192