Function queue_pipelines_system 

pub fn queue_pipelines_system(
    commands: Commands<'_, '_>,
    pipeline_cache: Res<'_, PipelineCache>,
    specialized_pipelines: ResMut<'_, SpecializedRenderPipelines<EguiPipeline>>,
    egui_pipeline: Res<'_, EguiPipeline>,
    egui_views: Query<'_, '_, &EguiViewTarget, With<ExtractedView>>,
    camera_views: Query<'_, '_, (&MainEntity, &ExtractedCamera)>,
)

Queue EguiPipeline instances.