Changed scene item components to smart pointers

src/dawn/scene/components/display/Camera.hpp

@@ -22,7 +22,7 @@ namespace Dawn {
       std::function<void()> evtResized;
 
     public:
-      static Camera * create(Scene *scene) {
+      static std::shared_ptr<Camera> create(Scene *scene) {
         auto item = scene->createSceneItem();
         auto cam = item->addComponent<Camera>();
         return cam;