Cleared AI Targets are ignored if mob type is zombie

Attacking a mob will recieve assists from zombies ai despite them having only an attacker target selector

[MythicMobs] Loading MythicMobs v4.2.0-SNAPSHOT

Example mob that will assist:

NPCID_11:
Type: zombie
Display: Exarch_Greyforge
Health: 85
Damage: 2
MovementSpeed: 0.2
MaxCombatDistance: 25
PreventOtherDrops: true
PreventRandomEquipment: true
Options:
PreventMobKillDrops: true
PreventOtherDrops: true
Silent: true
ShowHealth: true
PreventRenaming: true...

Cleared AI Targets are ignored if mob type is zombie