In the air, footsteps sound if you move while sneaking, otherwise no footsteps sound

How to reproduce

1. Set your attribute generic.gravity to 0 on the ground.
2. Move while sneaking.
3. Move while not sneaking.

Observed result

Footsteps are heard while sneaking, otherwise no sounds.
Also affects 24w06a(attribute generic.gravity was added).

Expected result

Footsteps are not heard while sneaking, otherwise they are heard.