Function queue_shadows 

pub fn queue_shadows(
    extracted_box_shadows: ResMut<'_, ExtractedBoxShadows>,
    box_shadow_pipeline: Res<'_, BoxShadowPipeline>,
    pipelines: ResMut<'_, SpecializedRenderPipelines<BoxShadowPipeline>>,
    transparent_render_phases: ResMut<'_, ViewSortedRenderPhases<TransparentUi>>,
    render_views: Query<'_, '_, (&UiCameraView, Option<&BoxShadowSamples>), With<ExtractedView>>,
    camera_views: Query<'_, '_, &ExtractedView>,
    pipeline_cache: Res<'_, PipelineCache>,
    draw_functions: Res<'_, DrawFunctions<TransparentUi>>,
)