D8946: Avoid unnecessary 'dataChanged' signal

[David Faure]

dfaure accepted this revision.
dfaure added a comment.
This revision is now accepted and ready to land.


  Good stuff, it also skips a call to refresh() when nothing changed, which is good for performance.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D8946

To: renatoo, dfaure
Cc: #frameworks
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