Z-fighting can be seen on phantoms' wings

The Bug

Z-fighting can be seen when a phantom flaps its wings.

Steps to Reproduce

• Summon a phantom.

  /summon minecraft:phantom ~ ~ ~ {NoAI:1b}
  

• Look closely at the phantom's wings.
• Take note as to whether or not z-fighting can be seen.

Observed Behavior

Z-fighting can be seen on phantoms' wings.

Expected Behavior

Z-fighting would not be able to be seen on phantoms' wings.