fix implicit braces on import
fix import of bracket none
update testcases for bracket type line and none
fix export of bracket none
fix #22804: long notes in 12-8 time should respect beat groups
fix #22799: crash on startup on mac osx
Add 3 dots at the end of abbreviated lyric text
Merge pull request #489 from trig-ger/midi_fixes

Fixes for MIDI import
fix name of 8vb
fix #22858: slide layout in guitar tab
Merge pull request #488 from lvinken/22587-sibelius7-brackets

22587 sibelius7 brackets
add visual test for notehead position around stem
fix #22855
fix #22857
add new palette Tempo
add special palette button for ShowMore