The socket is finally ready to be rendered for each keyserver.

https://linear.app/comm/issue/ENG-5872/render-a-socket-for-each-connected-keyserver

Depends on D11186

Test if the app works correctly with one keyserver. More thorough testing will be performed as a part of https://linear.app/comm/issue/ENG-5875/test-socket-connection-to-at-least-two-keyservers.