Waiting one second before taking a context screenshot to allow for scene loading.

Assets/DLU/Scripts/SceneController.cs

@@ -86,6 +86,7 @@ public class SceneController : MonoBehaviour
 
     private IEnumerator ReplyContext(Func<string, IEnumerator> replyToRequest)
     {
+        yield return new WaitForSeconds(1);
         string response = JSONHandler.instance.GenerateContextJSON().ToString();
         // Should better wait until context screenshot is available, but this works good enough
         yield return new WaitForSeconds(3);