Evoker always drops experience orbs when he die, regardless of being killed by a player

Steps to reproduce:

1. Summon an evoker
2. Summon a zoglin near the evoker
3. Watch the zoglin kills the evoker

Alternative:

1. Summon a Evoker
2. Run a command: "/kill @e[type=evocation_illager]"

Expected Results:
The evoker doesn't drop experience orbs

Observed Results:
The evoker drops experience orbs