D10471: Use Kirgami.ToolBarApplicationHeader instead of the view headers

[Nathaniel Graham]

ngraham edited the summary of this revision.

REPOSITORY
  R134 Discover Software Store

REVISION DETAIL
  https://phabricator.kde.org/D10471

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