Hitbox Misaligns when you walk under a slab and a trapdoor

I'm too lazy to write everything out.

Demo Video https://youtu.be/1V_BbIvVznA

 

TL:DR: When you walk between a trapdoor on the ground that's in a raised position and a slab, and then proceed to close the trapdoor under you, your character model moves to a standing position but your hitbox and viewbox stay in a crouched position.