Function get_shadow_lod_origin 

pub fn get_shadow_lod_origin(
    camera_query: QueryLens<'_, (Entity, &RenderTarget), With<Camera>>,
    shadow_lod_origin_query: QueryLens<'_, Entity, With<ShadowLodOrigin>>,
    lights_query: QueryLens<'_, Entity, Or<(With<PointLight>, With<SpotLight>)>>,
) -> Option<Entity>

Determines the LOD origin for spot and point light shadow maps.

The selection priority is, from highest to lowest:

1. An entity explicitly marked with the ShadowLodOrigin component.

2. A camera that renders to a window.

3. Any camera.