[Enhancement][Navigation] Enhance Tree to be collapseable

[b00nation]

Please add an option to allow show a category based tree instead of flat big tree.

https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fcdn.elegantthemes.com%2Fblog%2Fwp-content%2Fuploads%2F2014%2F05%2Fdexs-navigation-tree.png&f=1&nofb=1

[Idrinth]

https://tickets.idrinth.de/waraddonclient/11 moved it there so I don't forget again