Foxes won't harvest Sweet Berries planted on mud

When they are in Mud, Foxes won't harvest Sweet Berries.

How to replicate:

-Make a fenced in area where the floor is entirely Mud

-Plant Sweet Berries on the Mud

-Spawn Foxes

Expected Result:

-The Foxes will harvest the Sweet Berries when they're fully grown.

Actual Result:

-The Foxes completely ignore the Sweet Berries, even if they're fully grown.