Breaking Stone Monster Egg (or any other monster egg) in creative does not spawn a silverfish

Breaking Stone Monster Egg (or any other monster egg) in creative does not spawn a silverfish.

It should have spawned a silverfish.

Nothing happened. Yes, it was a Monster Egg. I checked.

Steps to Reproduce:
1. Get stone monster egg (or any other monster egg) in creative from the creative inventory.
2. Make sure difficulty is on Easy or above, not peaceful.
3. Place monster egg.
4. Break block.
5. Watch nothing happen.