Elytra suffocation.

When you fly next to a one high gap you end up in the wall and take suffocation damage.

What I expected to happen was...:
To be brushed away from the wall.

What actually happened was...:
You go into the gap and take suffocation damage.

Steps to Reproduce:
1. With the elytra glide over to any one high gap.
2. Ether go into the gap or fly close to it.