Glissando line gets squashed horizontally
OS: Windows 10 (10.0), Arch.: x86_64, MuseScore version (64-bit): 3.0.0, revision: 747f3e9
See attached file (created in 2.x). There is a glissando line in the 3rd measure of 2.x. But this has been compressed so that it is virtually invisible in 3.0-dev.