Z-fighting on baby horse, donkey, and mule texture

Baby horses, donkeys, and mules render with their bodies lower than normal, causing z-fighting on the body where the legs overlap.

Steps to Reproduce:

1. Spawn/breed a baby horse, donkey, or mule
2. Observe the baby is shorter than normal and the z-fighting

Video:
Minecraft 2020-12-26 15-59-51.mp4