fix(Core/Spells): Far Sight auras are supposed to extend view distance and allows seeing objects from further distance (#7068)

- Closes #5793.

src/server/game/Grids/Notifiers/GridNotifiersImpl.h

@@ -27,6 +27,7 @@ inline void Acore::VisibleNotifier::Visit(GridRefManager<T>& m)
     {
         if (i_largeOnly != iter->GetSource()->IsVisibilityOverridden())
             continue;
+
         vis_guids.erase(iter->GetSource()->GetGUID());
         i_player.UpdateVisibilityOf(iter->GetSource(), i_data, i_visibleNow);
     }