D7814: Disable shortcuts when an action is disabled

[Marco Martin]

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

REPOSITORY
  R169 Kirigami

REVISION DETAIL
  https://phabricator.kde.org/D7814

To: leinir, #kirigami, mart
Cc: plasma-devel, #kirigami, apol, mart, hein