D11261: Add a button to clear the notification historyBUG: 386068FIXED-IN: 5.13.0

[Christian]

Fuchs added a comment.


  Screenshot:
  
  F5750498: clear_history.png <https://phabricator.kde.org/F5750498>

REPOSITORY
  R120 Plasma Workspace

REVISION DETAIL
  https://phabricator.kde.org/D11261

To: Fuchs, broulik
Cc: plasma-devel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, 
sebas, apol, mart