[BLOCKING] Mob still moves when removing all movement from behavior

Verification builds:
Live v1.4.4

Summary:
When removing any movement AI from mob behavior file, the mob will still rotate on spawn.

Impact:
Unable set mob to a wanted rotation position.

Repro Steps:
Load MCM-210_Mob_Rotation.mcworld (Found in #mco_noxcrew slack)
Spawn Zombie Pig man with a Egg

Observed Results:
When spawning the mob, it does a random rotation.

Expected Results:
When you spawn the mob in creative with an egg it should spawn facing the player.

Screenshots/Videos attached: Yes