Piglin heads don't retain their ear positions upon reloading into worlds

The Bug:

Piglin heads don't retain their ear positions upon reloading into worlds.

Steps to Reproduce:

• Obtain a piglin head and place it down.

• Power it with redstone so that its ears begin moving.

• Remove the power source and take note of the positioning of the piglin head's ears.

• Reload into the world and look at the position of the piglin head's ears.

• Take note as to whether or not piglin heads retain their ear positions upon reloading into worlds.

Observed Behavior:

Piglin heads don't retain their ear positions.

Expected Behavior:

Piglin heads would retain their ear positions.