message: set wgpu's adapter backend to PRIMARY
diff: @@ -28,7 +28,7 @@ impl iced_native::window::Backend for Backend {
  },
  compatible_surface: None,
  },
  - wgpu::BackendBit::all(),
  + wgpu::BackendBit::PRIMARY,
  )
  .await
  .expect("Request adapter");
  