The cat inside a swamp hut is not black.

What I expected to happen was...:
The cat inside a swamp hut should always be black

What actually happened was...:
The cat was not black, its changes every time

Steps to Reproduce:
1. Create a new world with this seed: -658421113321810415
2. /tp -1512.5 71 -475.5
3. The color of the cat is random, it changes every time you create a new world with the same seed.