Revert "fix preview for invisible first child page"
Revert "fix preview for invisible first child page"

This reverts commit 5fb5748cbf632b26bb739660904ee480d848eb23.

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