This PR adds a "open in new window" button to the projects that are
already open in the current window. This matches a capability that was
only available through the threads sidebar.

<img width="500" alt="Screenshot 2026-04-29 at 11  28@2x"
src="https://github.com/user-attachments/assets/b5c890fd-d21b-483b-b428-0f96b40aa7fc"
/>

Release Notes:

- Added the ability to move a currently open project to a new window
through the recent projects modal.