fix(Scripts/ZulGurub): Renataki - improvements: (#11967)

Added missing spells and events.
Removed invalid spells
Corrected event timers
Fixes #11620
Fixes #11621

src/server/game/AI/CreatureAI.h

@@ -196,6 +196,7 @@ public:
     virtual bool CanSeeAlways(WorldObject const* /*obj*/) { return false; }
 
     virtual bool CanBeSeen(Player const* /*seer*/) { return true; }
+    virtual bool CanAlwaysBeDetectable(WorldObject const* /*seer*/) { return false; }
 
     virtual void PetStopAttack() { }