Fix parsing the camera upVector from serialization

src/Cameras/camera.ts

@@ -1303,6 +1303,8 @@ export class Camera extends Node {
             camera._setupInputs();
         }
 
+        camera.upVector = Vector3.FromArray(parsedCamera.upVector); // need to force the upVector
+
         if ((<any>camera).setPosition) { // need to force position
             camera.position.copyFromFloats(0, 0, 0);
             (<any>camera).setPosition(Vector3.FromArray(parsedCamera.position));