Side of wall bell texture is missing when next to certain blocks

The bug

When a wall bell is next to certain blocks, it causes the side of the bell's texture to go missing.

List of affected blocks:

• Bell (single_wall and floor)

• Daylight detector

• Fences

• Fence gates

• Piston head

• Redstone comparator

• Redstone repeater

• Slabs (bottom)