Core/Misc: 3.3.5a fixes

src/server/game/Entities/GameObject/GameObject.cpp

@@ -115,7 +115,8 @@ void GameObject::RemoveFromOwner()
         return;
     }
 
-    TC_LOG_FATAL("misc", "Removed GameObject (GUID: %u Entry: %u SpellId: %u LinkedGO: %u) that just lost any reference to the owner (%s) GO list",
+    // This happens when a mage portal is despawned after the caster changes map (for example using the portal)
+    TC_LOG_DEBUG("misc", "Removed GameObject (GUID: %u Entry: %u SpellId: %u LinkedGO: %u) that just lost any reference to the owner (%s) GO list",
         GetGUIDLow(), GetGOInfo()->entry, m_spellId, GetGOInfo()->GetLinkedGameObjectEntry(), ownerGUID.ToString().c_str());
     SetOwnerGUID(ObjectGuid::Empty);
 }