avoid flicker on lightbox closing when multiple history entries with lightbox exist
avoid flicker on lightbox closing when multiple history entries with lightbox exist

kaufmo/koala-framework,Sogl/koala-framework,fraxachun/koala-framework,yacon/koala-framework,yacon/koala-framework,darimpulso/koala-framework,koala-framework/koala-framework,kaufmo/koala-framework,Ben-Ho/koala-framework,koala-framework/koala-framework,nsams/koala-framework,nsams/koala-framework,darimpulso/koala-framework,nsams/koala-framework,kaufmo/koala-framework,Ben-Ho/koala-framework,Sogl/koala-framework,fraxachun/koala-framework,yacon/koala-framework