D7142: Fix proxy KCM not loading manual proxies correctly.

[David Edmundson]

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

REPOSITORY
  R241 KIO

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D7142

To: dfaure, dmariano, davidedmundson
Cc: #frameworks