Tropical fish bukets spawn only one type of fish

Tropical fish bukets only spawn the white kob variant on crative mode (does not affect spawn eggs)

To repeat this bug:

1-In creative mode grab a tropical fish buket.

2-Place multiple bukets.

Bxolotl in a buket spawns only the pink variant (does not affect spawn eggs)

To repeat this bug:

1-In creative mode grab an axolotl in a buket buket.

2-Place multiple bukets.