D10697: Make the badge text readable on dark color schemes

[Milian Wolff]

mwolff added a comment.

  using breeze high contrast here, before:
  
  F5720670: Screenshot_20180220_211956.png 
<https://phabricator.kde.org/F5720670>
  
  after:
  
  F5720669: Screenshot_20180220_212030.png 
<https://phabricator.kde.org/F5720669>

REPOSITORY
  R119 Plasma Desktop

REVISION DETAIL
  https://phabricator.kde.org/D10697

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