Bug: Sable headlamp collision box size incorrect

[RoarkCats]

Describe the bug
The headlamp block has a full block's worth of collission when used on a sable sub level, despite its entity collision box being appropriately sized as you would expect

To Reproduce
Steps to reproduce the behavior:

1. Create a sublevel
2. Add a headlamp to the underside
3. Allow the sublevel to fall and 'float'

Expected behavior
Sublevel does not 'float' on the headlamp's invisible collision box

Latest.log, screenshots and crash log