UI Improvement: Focus on first load

When the UI is loaded the toolbox is displayed on the left, it would be nice if scenarios are teh default option and the toolbox is in the background 

<img width="746" height="991" alt="Image" src="https://github.com/user-attachments/assets/190d4865-ccc8-45d5-bbe1-7be4e31f5524" />