D24014: [KWayland] Port away from deprecated API in Qt 5.14

[David Faure]

dfaure closed this revision.

REPOSITORY
  R127 KWayland

REVISION DETAIL
  https://phabricator.kde.org/D24014

To: dfaure, davidedmundson, zzag
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns