Description:
Unlike Java Edition, creeper doesn't drop a music disc when killed by bogged.

Steps to Reproduce:

1. Spawn a creeper and bogged
2. Use command /damage @e[type=creeper,c=1] 100 entity_attack entity @e[type=bogged,c=1] (make the bogged deal 100 damage to the creeper)
3. Observe items dropping from the creeper

Observed Results:
Creeper doesn't drop a music disc.

Expected Results:
Creeper should drop a music disc.