D10329: [KUrlNavigatorPlacesSelector] Put categories into submenus

[Kai Uwe Broulik]

broulik added a reviewer: dfaure.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D10329

To: broulik, #vdg, #frameworks, dfaure
Cc: ngraham, michaelh