fix #40091: double flat/sharp in chord symbols
add double flat/sharp to MuseJazz
use same version of MuseJazz on all platforms
update vtests
Remove Mac defines for accessibility.
fix #40641: incorrect import/export of relative-x
Merge pull request #1508 from MarcSabatella/40641-relative-x

fix #40641: incorrect import/export of relative-x
Merge pull request #1499 from MarcSabatella/40091-double-accidental-chords

40091 double accidental chords
Merge pull request #1505 from andreituicu/remove_mac_defines

Remove Mac defines for accessibility.