Core/Scripts: Fix Anub'arak spikes in Trial of the Crusader now they only attack players. Thanks to Warpten who brought the Idea and thanks to Nayd :)

src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheCrusader/boss_anubarak_trial.cpp

@@ -659,6 +659,11 @@ public:
             m_uiTargetGUID = 0;
         }
 
+        bool CanAIAttack(Unit const* victim) const
+        {
+            return victim->GetTypeId() == TYPEID_PLAYER;
+        }
+
         void EnterCombat(Unit* who)
         {
             m_uiTargetGUID = who->GetGUID();