#[derive(Component, Clone, Debug, Deref, DerefMut)]
pub struct MeshMaterial3dStorage<M: Material>(pub Handle<M>);

fn enter_debug_mode<M: Material>(
    mut commands: Commands,
    keyboard_input: Res<ButtonInput<KeyCode>>,
    mesh_entities: Query<(Entity, &MeshMaterial3d<M>), Without<NoWireframe>>,
) {
    // TODO Use an observer/state/... instead of keyboard input
    if keyboard_input.just_pressed(KeyCode::Space) {
        for (e, mat_handle) in &mesh_entities {
            commands
                .entity(e)
                .insert(MeshMaterial3dStorage(mat_handle.0.clone()));
            commands.entity(e).remove::<MeshMaterial3d<M>>();
        }
    }
}