[Bug] Copilot menu is added last on the menu-bar, should be to the left of Help

For the past 40 or so years the `Help` menu has typically been the right-most menu visible on the menu-bar in desktop applications. Please insert the `Copilot` menu to the left of `Help`, not to the right.

<img width="305" height="90" alt="Image" src="https://github.com/user-attachments/assets/14866939-445e-45af-b826-a928f22e84c7" />