When socialaccounts are available, the design of the connections page could be better

* The list of working 3rd party accounts could look better 
* The "Add a Third-Party Account" list of providers should maybe be buttons?

<img width="666" height="470" alt="Image" src="https://github.com/user-attachments/assets/607cf63d-57f9-48fb-a6c4-d56286ebf51f" />