The current noteheads palette makes no sense in the order the notes are displayed. Here's a picture:
You will notice it starts with alternative notehead groups such as Cross, Diamond and triangle. Suddenly there is a "Mi" notehead inserted, followed by the Slash notation notehead followed by a random order of other notes (Do, Re...) then more alternative noteheads groups like Alternate Brevis. I would suggest the default order for noteheads be as in the following picture:
Note that the playing style noteheads (cross, diamond...) are before the note name
noteheads (Do, Re...), which are now in order, with the parentheses still at the end.
While your at it, if you could add the notehead in https://musescore.org/en/node/272515 to the palette after Alt. Brevis, it would be very nice.