Minecraft and Mod version 🐞
Minecraft 1.20.1
Forge 47.3.11, also tried 47.3.5 - same result
Easy NPC 5.6.0 / no other mods installed
Windows 10 20H2
Intel Xeon E5-2680v2
Nvidia GTX 1070
Nvidia driver 560.81

Describe the bug 🐞
If a model of an NPC without some body part is on screen, other NPCs don't have this part rendered too

To Reproduce ⚙️
Steps to reproduce the behavior:

1. Place 2 NPCs
2. Disable some body parts for one of them
3. Look at both of them at the same time

Expected behavior ✔️
One of them has body parts disabled and the other is not

Screens... Video! 📸
Video demonstration
https://drive.google.com/file/d/15rJGrFzm6DUDEirFhtFhXf0QATwGusLq/view?usp=sharing