fix #23846, at least partly

Seems not all of MuseScore accidentals have SMuFL counterparts.
Maybe twoor more glyphs need to get combined to form the missing ones?
fix comment
fixing sentOffset for some accidentals

they seem to make more sense this way and macht their names better
Merge pull request #586 from Jojo-Schmitz/SMuFL

fix #23846, at least partly