You can see through blocks in third person while suffocating inside of them

The Bug:

You can see through blocks in third person while suffocating inside of them.

You can essentially achieve x-ray and see through parts of the world which shouldn't be possible.

Steps to Reproduce:

1. Dig a two block deep hole and obtain some sand.
2. Place sand blocks above your head so that you begin suffocating.
3. Enter third person and observe your surroundings.

Observed Behavior:

You can see through blocks.

Expected Behavior:

You would not be able to see through blocks.