Glow lichens cannot be put on soul sand

The Bug

Glow lichens cannot be put on soul sand.

Steps to Reproduce

• Obtain some glow lichens and place down some soul sand.
• Attempt to place some glow lichens on the side or top faces of the soul sand.
• Take note as to whether or not glow lichens can be placed on the side or top faces of soul sand.

Observed Behavior

Glow lichens cannot be placed on the side or top faces of soul sand.

Expected Behavior

Glow lichens would be able to be placed on the side or top faces of soul sand.