D6828: Send QKeyEvent with Qt::Key as expected by Qt to internal windows

[David Edmundson]

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

BRANCH
  internal-window-proper-key

REVISION DETAIL
  https://phabricator.kde.org/D6828

To: graesslin, #kwin, #plasma, davidedmundson
Cc: plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, 
abetts, sebas, apol, mart, lukas