A frog in a boat or minecart can still sometimes make jumping sounds when not jumping

Summary:
A frog in a boat or minecart can still sometimes make jumping sounds when not jumping.

Steps to reproduce:

1. Place the boat or minecart.
2. Place a frog in the boat.
3. Wait a couple of minutes listening to the sounds of the frog.

Observed results:
A frog can make sounds of jumping in a boat or minecart without jumping.

Expected results:
The frog will not make a jumping sound without jumping.