Function get_lut_bindings

pub fn get_lut_bindings<'a>(
    images: &'a RenderAssets<GpuImage>,
    tonemapping_luts: &'a TonemappingLuts,
    tonemapping: &Tonemapping,
    fallback_image: &'a FallbackImage,
) -> (&'a TextureView, &'a Sampler)