Middles click on mob variants gives base mob Spawn Egg

When we click wheel on the Husk/wither skeleton/elder guardian, etc in creative, it's give a base mob egg with a NBT Tag that sets the mob to the base mob, not the variant's egg.

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Affects:

1. Wither skeleton ---> Skeleton
2. Stray ---> Skeleton
3. Husk ---> Zombie
4. Elder guardian ---> Guardian
5. Cat ---> Ocelot
6. Donkey ---> Horse
7. Mule ---> Horse
8. Skeleton horse ---> Horse
9. Zombie horse ---> Horse