Switching SceneItems to smarts

src/dawn/scene/SceneItem.hpp

@@ -79,7 +79,7 @@ namespace Dawn {
        */
       template<class T>
       std::shared_ptr<T> addComponent() {
-        auto component = std::make_shared<T>(this);
+        auto component = std::make_shared<T>(weak_from_this());
         this->components.push_back(component);
         return component;
       }