Issue #296693 by tedbow, omkar.podey, sun, ilya.no, JeroenT, tim.plunkett,...

Issue #296693 by tedbow, omkar.podey, sun, ilya.no, JeroenT, tim.plunkett, catch, hooroomoo, ridhimaabrol24, boombatower, paulocs, Damien Tournoud, Xano, pwolanin, chx, webchick, stella, quietone, Bojhan, smustgrave, lauriii, benjifisher, gabesullice: Restrict access to empty top level administration pages