D26017: [KKeySequenceWidget] Work around Meta modifier behavior

[Kai Uwe Broulik]

broulik added a reviewer: ahartmetz.

REPOSITORY
  R263 KXmlGui

REVISION DETAIL
  https://phabricator.kde.org/D26017

To: broulik, #frameworks, davidedmundson, ahartmetz
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns