Creaking can be knocked back by the player by turning towards it quickly

Creaking mobs can be knocked back by the player if you turn towards it quickly (Use knockback enchant to easily tell)

Expected behaviour

The creaking is unable to be knocked back

Observed behaviour

It is knocked back.

Steps to reproduce

1. Look away from the creaking
2. Turn towards it fast and hit it
   -> It will be dealt knockback