mob.horse.jump sound no longer plays

When you ride a horse, mule, or donkey, and then jump, previously the mount would play the "mob.horse.jump" sounds, this is no longer the case anymore.

Steps to reproduce:

1. Tame a horse, mule, or donkey

2. Give it a saddle and ride it

3. Press the jump button

4. Observe

Expected results:
The mount play "mob.horse.jump" upon jumping, like it how used to be.

Observed results:
The mount no longer play "mob.horse.jump" upon jumping.