I was testing the trapdoor with other things and when i walked in i to it i was forced into crawl

Put the summary of the bug you're having here

I was testing something with trapdoors in the latest version and i walked into it and i was forced into crawl mode under the trap door.

What I expected to happen was...:

I thought i was going to stop.

What actually happened was...:

I was forsed into crawl under the trap door.

Steps to Reproduce:

1. Place a trap door 1 block above the ground.
2. Walk into it.
3. You are in crawl.