Allow to manually enter only valid usernames to feed selector
Allow to manually enter only valid usernames to feed selector


FreeFeed/freefeed-react-client,davidmz/freefeed-react-client,kadmil/freefeed-react-client,davidmz/freefeed-react-client,kadmil/freefeed-react-client,davidmz/freefeed-react-client,FreeFeed/freefeed-react-client,FreeFeed/freefeed-react-client,kadmil/freefeed-react-client