D15880: Khelpcenter menu does not work (some parts of TreeView not expanded)

[Alex Nemeth]

anemeth resigned from this revision.

REPOSITORY
  R125 KHelpCenter

REVISION DETAIL
  https://phabricator.kde.org/D15880

To: pavelmos, yurchor, mlaurent, lueck, ltoscano
Cc: ltoscano, kde-doc-english, skadinna