D23133: avoid duplicate notifications from showing up on Windows and remove whitespaces

[Piyush Aggarwal]

brute4s99 added a comment.


  can I merge this one? 👀

REPOSITORY
  R289 KNotifications

REVISION DETAIL
  https://phabricator.kde.org/D23133

To: brute4s99, #frameworks
Cc: broulik, kde-frameworks-devel, LeGast00n, michaelh, ngraham, bruns