Fixed all my pointers

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

@@ -37,14 +37,14 @@ namespace Dawn {
        * 
        * @param item SceneItem that this component belongs to.
        */
-      Camera(std::weak_ptr<SceneItem> item);
+      Camera(SceneItem &item);
 
       /**
        * Updates the projection matrix.
        */
       void updateProjection();
 
-      std::shared_ptr<RenderTarget> getRenderTarget();
+      RenderTarget & getRenderTarget();
 
       /**
        * Returs the aspect ratio of the camera.