D8824: port from deprecated KAuthorized::authorizeKAction to authorizeAction

[Aleix Pol Gonzalez]

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

REPOSITORY
  R294 KBookmarks

BRANCH
  kauthorize-deprecations

REVISION DETAIL
  https://phabricator.kde.org/D8824

To: sitter, #frameworks, apol