D5408: Don't forward keys until the recipient is ready

[Aleix Pol Gonzalez]

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

REPOSITORY
  R169 Kirigami

REVISION DETAIL
  https://phabricator.kde.org/D5408

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