Fix using Camera refs

Source/Engine/Graphics/RenderTask.h

@@ -251,7 +251,7 @@ public:
     /// <summary>
     /// The scene rendering camera. Can be used to override the rendering view properties based on the current camera setup.
     /// </summary>
-    API_FIELD() Camera* Camera = nullptr;
+    API_FIELD() ScriptingObjectReference<Camera> Camera;
 
     /// <summary>
     /// The render view description.

Source/Engine/Level/Actors/Camera.cpp

@@ -17,12 +17,13 @@
 
 Array<Camera*> Camera::Cameras;
 Camera* Camera::CutSceneCamera = nullptr;
-Camera* Camera::OverrideMainCamera = nullptr;
+ScriptingObjectReference<Camera> Camera::OverrideMainCamera;
 
 Camera* Camera::GetMainCamera()
 {
-    if (OverrideMainCamera)
-        return OverrideMainCamera;
+    Camera* overrideMainCamera = OverrideMainCamera.Get();
+    if (overrideMainCamera)
+        return overrideMainCamera;
     if (CutSceneCamera)
         return CutSceneCamera;
     return Cameras.HasItems() ? Cameras.First() : nullptr;

Source/Engine/Level/Actors/Camera.h

@@ -28,7 +28,7 @@ DECLARE_SCENE_OBJECT(Camera);
     static Camera* CutSceneCamera;
 
     // The overriden main camera.
-    API_FIELD() static Camera* OverrideMainCamera;
+    API_FIELD() static ScriptingObjectReference<Camera> OverrideMainCamera;
 
     // Gets the main camera.
     API_PROPERTY() static Camera* GetMainCamera();