Piano roll bug when in a with 1/4 anacrusis as the starting measure.

Description:
When trying do add eighth notes in the piano roll in a sheet music that begins with a quarter note anacruse, the note will only be added in the start, as if the grid wasent divided. If the time sighature is 2/4 the problem ocours in all measures and not only the first one.

Steps for recreate:
Create new sheet music
Edit first measure to a 1/4 anacrusis
Open first measure in the piano roll
Divide grid by "1" and select eighth notes
Try to add two consecultive notes in the first measure

Expected behavior:
Two consecultive eighth notes be added in the first measure

OS:
Windows 10 and Mac os (m1)
Musescore 3.6.2

English is not my native language, I apologise for any mistakes.