D9119: Initialize scale factor to the last scale factor set on any instance

[David Edmundson]

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

REPOSITORY
  R242 Plasma Framework (Library)

REVISION DETAIL
  https://phabricator.kde.org/D9119

To: hein, #plasma, davidedmundson, broulik, mart
Cc: graesslin, plasma-devel, #frameworks, ZrenBot, progwolff, lesliezhai, 
ali-mohamed, jensreuterberg, abetts, sebas, apol, mart