If you really need it, you can go to the Marketplace in your browser to download the widget and import it into your project.
This is a widget, you can download and add it into project like this
might be a hick-up in your connection. Marketplace works on my end
Edit: content not able to load in Studio pro here as well. Marketplace opens, search works, but opening any details of content fails to load. Worth a support ticket
You can download the widget from here:
and import it to your project.
I hope it works.