Description of Bug: Chests can be opened without a key, I have a chest in my burrow that is keyed to several furniture keys. I can open this chest without a key in my inventory.
Reproduction Steps:

1.  Have furniture key chest in burrow, the chest has acorns.
2.  Drop key to chest in burrow.
3.  Open burrow, consume acorns unaccosted.

Error message (if applicable):
Screenshots: