Describe the bug
When using the resource pack Perfect Signs or other resource packs that change the model of signs, the texture breaks and only the front face of the board is visible.

List and link to broken resourcepacks
Perfect Signs
Even Better Wooden Signs

Expected behavior

Screenshots

(please complete the following information):

• Minecraft Version: 1.20.1
• EMF version 0.2.11
• ETF version 4.4.4

Additional context
Tested using Quilt Loader 0.19.2. Found that the issue occurs both with and without the mod Enhanced Block Entities.

Exact same thing is happening with me.