D5530: KNewPasswordWidget: don't hide visibility action in plaintext mode

[Christoph Feck]

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

REPOSITORY
  R236 KWidgetsAddons

BRANCH
  knewpasswordwidget-leak

REVISION DETAIL
  https://phabricator.kde.org/D5530

To: elvisangelaccio, cfeck
Cc: #frameworks