[BUG] Manage Add-on button doesn't work

This "Manage Add-on" button doesn't work. 

<img width="349" height="237" alt="Image" src="https://github.com/user-attachments/assets/649a7ad5-be25-40f9-852e-da0f35426db9" />

Also "Manage Add-on" button doesn't show up on many extensions.

<img width="372" height="395" alt="Image" src="https://github.com/user-attachments/assets/3f35d31c-2d87-42b5-8c27-da2772718a4d" />