Bug Description: Setting tab dropdown opens too far away from control Screenshot: <img width="449" height="241" alt="Image" src="https://github.com/user-attachments/assets/ce1ffc70-a219-4edd-91de-a170c10be99a" /> Other context menus & dropdowns open at the bottom right of the control: <img width="361" height="189" alt="Image" src="https://github.com/user-attachments/assets/d4d310a2-0cb0-4dcf-8d84-74bc7fc80925" /> <img width="203" height="118" alt="Image" src="https://github.com/user-attachments/assets/605fd279-319e-4682-8413-4726a5965131" />