Fingering collides with note flags, accidentals, note stems etc.
1) Measure with two voices
2) Make sure to utilize non-beamed but flagged notes in the second voice
3) Add fingering
Result: the fingering placement is equivalent to what would be found with the beamed notes or regular quarter notes etc, but the flags themselves aren't part of the 'calculation' so that the beams collide with the fingering
In 3.2.3 + Nightly: