Function send_terminal_view 

async fn send_terminal_view<S>(
    socket: &mut ClientSocket<S>,
    viewing: &TerminalViewing,
    repaint: &[u8],
) -> Result<()>
where
    S: Sink<Message, Error = Error> + Unpin + Send,

Send the attached terminal’s screen as a VT stream, and where the stream continues from.