Unify selection menus: - Move approvals to the vertical menu `ListSelectionView` - Add header section to `ListSelectionView` <img width="502" height="214" alt="image" src="https://github.com/user-attachments/assets/f4b43ddf-3549-403c-ad9e-a523688714e4" /> <img width="748" height="214" alt="image" src="https://github.com/user-attachments/assets/f94ac7b5-dc94-4dc0-a1df-7a8e3ba2453b" /> --------- Co-authored-by: pakrym-oai <pakrym@openai.com>