Core/SAI: Make SMART_ACTION_SET_INGAME_PHASE_MASK set the phasemask of the target_type instead of always the source calling the action type.

src/server/game/AI/SmartScripts/SmartScript.cpp

@@ -1046,8 +1046,18 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
         }
         case SMART_ACTION_SET_INGAME_PHASE_MASK:
         {
-            if (WorldObject* baseObj = GetBaseObject())
-                baseObj->SetPhaseMask(e.action.ingamePhaseMask.mask, true);
+            ObjectList* targets = GetTargets(e, unit);
+
+            if (!targets)
+                break;
+
+            for (ObjectList::const_iterator itr = targets->begin(); itr != targets->end(); ++itr)
+            {
+                if (!IsUnit(*itr))
+                    continue;
+
+                (*itr)->ToUnit()->SetPhaseMask(e.action.ingamePhaseMask.mask, true);
+            }
 
             break;
         }