message: Be defensive about unsubscribing pusher channel
diff: @@ -47,9 +47,10 @@ export const usePusher = ({
  setChannel(channel)
  return () => {
  - channel.unsubscribe()
  - channel.disconnect()
  -
  + if (channel) {
  + channel?.unsubscribe()
  + channel?.disconnect()
  + }
  setChannel(false)
  }
  }, [channelId, shouldSubscribe])
  