Baby Zombie Trial Spawners Use Incorrect Sound

The baby zombie trial spawners use the adult zombie sound when spawning instead of their higher-pitched one.

World Seed: -1290695962
Coordinates: -999, -29, 156

Observed Result:
When baby zombies spawn from trial spawners, they use the adult zombie sound when spawning.

Expected Result:
The baby zombies should use the baby zombie sound when spawning.