Summary:
When the Star Wars resource pack is enabled, the texture of the iron golem renders completely white if the iron golem is not damaged. If the iron golem is damaged, the texture renders correctly.

Steps to Reproduce:

1. Download the Star Wars Mash-up pack from the Marketplace
2. Activate the Star Wars resource pack in Settings > Global Resources
3. Create a new Creative world
4. Summon an iron golem
5. Observe the iron golem's texture
6. Hit the iron golem three times with a netherite sword

Observed Results:
The texture of the iron golem renders completely white when the iron golem is not damaged.

Expected Results:
The texture of the iron golem should render correctly when the iron golem is not damaged, just as it does when it is damaged.

Screenshot/Video:
Minecraft 2022-01-05 16-23-38.mp4