Admin.js

//frontend/src/Admin.js:59
return (
  <Chat client={chatClient} theme={"messaging light"}>
    <ChannelList
      sort={{ last_message_at: -1 }}
      Preview={ChannelPreviewMessenger}
      onSelect={(channel) => { setChannel(channel); }}
    />
    <Channel>
      <Window>
        <ChannelHeader />
        <MessageList />
        <MessageInput focus />
      </Window>
      <Thread />
    </Channel>
  </Chat >
);