D9675: Don't show context menu menu if right-clicking outside

[Milian Wolff]

mwolff accepted this revision.
This revision is now accepted and ready to land.

REPOSITORY
  R263 KXmlGui

REVISION DETAIL
  https://phabricator.kde.org/D9675

To: broulik, #frameworks, dfaure, mwolff
Cc: elvisangelaccio, wbauer, michaelh