Z-fighting occurs around the shoulders of bogged

The Bug:

Z-fighting occurs around the shoulders of bogged.

Steps to Reproduce:

1. Summon a bogged by using the command provided below.

   /summon minecraft:bogged ~ ~ ~ {NoAI:1b,Silent:1b}

2. Look around the shoulders of the bogged.

Observed Behavior:

Z-fighting is present.

Expected Behavior:

No z-fighting would occur.