Lead-broken foxes dont harvest sweet berry bushes

The Bug

If you grab a Fox with a Lead and the Lead breaks somehow (like moving far away from the Fox) then that Fox cannot harvest Sweet berry bushes for some reason.

 h3. Reproduce

1. Make a 1x1 cage with a Sweet Berry in it.
2. Find a Fox and use a Lead on her to grab her.
3. Make the Fox fall into the 1x1 cage while she's STILL on the Lead.
4. Move far away until the Lead breaks by itself because of distance.
5. Notice that the Fox cannot harvest the Berry.

Observed Result

The fox couldn't harvest the sweet berry bush

Expected Result

The fox could still harvest the sweet berry bush