The mob disappears in powder snow from the player when the player is above the mob (seen when jumping)

Summary:

The mob disappears in powder snow from the player when the player is above the mob (seen when jumping).

This is possibly related to MCPE-121402.

Steps to reproduce:

1. Place powder snow three blocks high and two blocks long.

2. Summon the mob in powder snow.

3. Stand next to him (in powder snow) and start jumping.

Observed results:

The mob disappears when jumping.

Expected results:

The mob shouldn't disappear like that.

Video: