fix #31506: crash on lyric with missing verse
fix #31431: create mmrests in all parts
fix #31391: fix concert pitch switch to not affect linked scores
fix #31536: save staff mvoe property for chords
Merge pull request #1243 from MarcSabatella/31536-staff-move-save

fix #31536: save staff move property for chords
Merge pull request #1241 from MarcSabatella/31431-mmrest-parts

fix #31431: create mmrests in all parts
Merge pull request #1240 from MarcSabatella/31506-accessible-lyric-crash

fix #31506: crash on lyric with missing verse
Merge pull request #1242 from MarcSabatella/31391-concert-score

fix #31391: fix concert pitch switch to not affect linked scores
more cleaning of accessors in musescore.h