message: fix: Prettylove devices require WriteWithResponse
  This worked in WASM but not rust, because WASM defaults to
  WWR for everything.
  Fixes
diff: @@ -60,8 +60,8 @@ impl ButtplugProtocolCommandHandler for PrettyLove {
  device
  .write_value(DeviceWriteCmd::new(
  Endpoint::Tx,
  - vec![0x00, speed as u8],
  - false,
  + vec![0x00u8, speed as u8],
  + true,
  ))
  .await?;
  }
  