Z-fighting with paintings and item frames in solid blocks

How did you put the painting inside the powdered snow. Please provide some reproduction steps.

The bug

A painting inside a block of powder snow z-fights with the powder snow.

How to reproduce

1. Place a solid block, and place a painting on the side of the block

2. Use a powder snow bucket on the same side of the solid block that the item frame is placed on, covering the painting with powder snow

3. Remove the solid block
   ❌ Z-fighting is visible between the painting and the item frame

Can confirm.

Can confirm in 21w08a.

Can confirm in 21w08b.

Can confirm in 1.17.1.

Can confirm in 1.18.1. As already stated above, this issue isn't exclusive to powder snow and can be seen with any full block.

Can confirm in 1.18.2.

Can confirm in 1.19 and 22w24a.

can confirm in 24w21b