GUI suggestion: Sorting intellectual entities by Level under Catalogue tab

[nilra3]

This is more like a suggestion than an issue: as we were experimenting with RODA for archiving in my organization we noticed that the possibility of sorting out intellectual entities according to their Level can be helpful when viewing them under Catalogue tab, i.e. to have the ability to sort them hierarchically according to this structure as one can see when creating a new intellectual entity:

Thanks in advance!