Output panel position is not properly saved

![image](https://user-images.githubusercontent.com/60117466/144616557-60c4a220-b6a2-416b-ae32-65668e31037b.png)

Save & Reload  ->

![image](https://user-images.githubusercontent.com/60117466/144616657-f5c40cfe-3aba-4446-86ff-1d7e6eaaa0f9.png)
