Baby Camel's laying down/getting up sounds are not sped up

The Bug

Usually all of the baby mob sounds are sped up versions of their adult counterparts. And the camel is no different; most of its sounds are. But the sounds it uses when it gets up and lays down are not, they're the same as the adults, making them have an unusually deep voice at times. All of the other sounds are sped up in my testing.

Here is a video demonstrating this behavior:

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Steps to reproduce:

1. Spawn a baby camel
2. Wait for it to lie down. Its sounds will be the same as an adult's
3. Wait more for it to get up; these sounds also won't be sped up