Improve repositories selector performance through `useConnection` + Apollo
Created by: umpox
https://user-images.githubusercontent.com/9516420/133435758-8cb252a0-f55c-4f9b-a7d9-50fa33bccc48.mp4
- Refactor from
FilteredConnection
touseConnection
- Use Apollo cache
- Add tests for the repositories popover
- Add storybook example