Bug: Camel husks seem to spawn with the riders underground

<img width="1920" height="1080" alt="Image" src="https://github.com/user-attachments/assets/6344e027-59ef-41fb-9770-84a28f04e149" />
This screenshot was taken in -54 Y level, where a camel husk has spawned with its riders even in #minecraft:is_caves.