Spear Texture is Transparent at the Edges

How to reproduce:

1. Open a new Minecraft world in snapshot 25w41a

2. Acquire a spear of any type

3. Observe that you can see through the edges of the spear texture, while it is in your hand.

Expected Result: The spear’s texture is completely opaque.

Actual Result: The spear’s texture is see-through at the edges.