if you place  an obsidian block and a end crystal on the side of it it automatically placed on the top of the obsidian block.

Steps to Reproduce:

• Place down an obsidian block.
• Whilst looking at one of the side faces of the obsidian block, attempt to place down an end crystal.

Observed Behavior
End Crystal is placed on top of block whose side is being targeted.

Expected Behavior:
You are not able to place end crystals on top of blocks when targeting their side faces. You should only be able to place them if you were to target the top face of a block.