Mushroom Texture Z Fighting on Mooshroom Back

When mooshrooms are walking around, you can see the mushrooms on their back z fighting.

Steps To Reproduce:

• Spawn several mooshrooms
• Observe their texture closely as they mooove

Attached screenshot gives an idea of the glitching textures to look for.

^{(Regression, this was fixed in an earlier version MCPE-8471)}