Pillager back shoulder model is misaligned to the metal texture

The back of the pillager shoulder model is unaligned to the metal texture making it look like a broken metal shoulder protector

Steps to Reproduce

1. Spawn a pillager via commands/spawnegg
2. Observe the back shoulder model
3. Observe the java pillager back shoulder model
4. You should be able to see the difference

To observe the results check each images

Image 1 Screenshot_20210304_212040

Image 2 Screenshot_20210304_211940

Image 3 (How it should look like) Screenshot 20210304_212025

Each screenshots is a little bit far away because i cant capture it properly because the pillager keeps looking at me but observe it much closer