Bridles on horses, mules and donkeys create z-fighting

Summary:
Bridles on horses, mules and donkeys create z-fighting.

Steps to reproduce:

1. Summon the horse, mule or donkey.

2. Time them.

3. Equip a saddle on them.

4. Sit on a mob.

5. Look carefully at the bridle

Observed results:
Bridles on horses, mules and donkeys create z-fighting.

Expected results:
Bridles will not create z-fighting.

Video:

Screenshots: