message: fix: If websocket server gets a ping, return a pong.
  Fixes
diff: @@ -121,7 +121,6 @@ async fn run_connection_loop<S>(
  ButtplugSerializedMessage::Binary(binary_msg) => {
  if websocket_server_sender
  .send(async_tungstenite::tungstenite::Message::Binary(binary_msg))
  -
  .await
  .is_err() {
  warn!("Cannot send binary value to server, considering connection closed.");
  @@ -159,6 +158,13 @@ async fn run_connection_loop<S>(
  }
  async_tungstenite::tungstenite::Message::Ping(_) => {
  // noop
  + if websocket_server_sender
  + .send(async_tungstenite::tungstenite::Message::Pong(vec!(0)))
  + .await
  + .is_err() {
  + warn!("Cannot send pong to client, considering connection closed.");
  + return;
  + }
  continue;
  }
  async_tungstenite::tungstenite::Message::Frame(_) => {
  