* add hook to fetch one level of space hierarchy
* add enable param to level hierarchy hook
* improve HierarchyItem types
* fix type errors in lobby
* load space hierarachy per level
* fix menu item visibility
* fix unknown spaces over federation
* show inaccessible rooms only to admins
* fix unknown room renders loading content twice
* fix unknown room visible to normal user if space all room are unknown
* show no rooms card if space does not have any room