use new spawn api

src/camera.rs

@@ -82,25 +82,24 @@ fn update_ui(
         let show_ui = cam_state.look_around || cam_state.cutscene;
 
         if show_ui {
-            commands
-                .spawn((
-                    CameraUi,
-                    Node {
-                        margin: UiRect::top(Val::Px(20.))
-                            .with_left(Val::Auto)
-                            .with_right(Val::Auto),
-                        justify_content: JustifyContent::Center,
-                        ..default()
-                    },
-                ))
-                .with_child((
+            commands.spawn((
+                CameraUi,
+                Node {
+                    margin: UiRect::top(Val::Px(20.))
+                        .with_left(Val::Auto)
+                        .with_right(Val::Auto),
+                    justify_content: JustifyContent::Center,
+                    ..default()
+                },
+                children![(
                     Node {
                         display: Display::Block,
                         position_type: PositionType::Absolute,
                         ..default()
                     },
                     ImageNode::new(assets.camera.clone()),
-                ));
+                )],
+            ));
         } else {
             for entity in query.iter() {
                 commands.entity(entity).despawn();