D23420: Use solid to check if a a KFileItem is located on a network mount

[Méven Car]

meven marked 2 inline comments as done.

REPOSITORY
  R241 KIO

BRANCH
  solid-network-fs-check

REVISION DETAIL
  https://phabricator.kde.org/D23420

To: meven, dfaure, #frameworks
Cc: broulik, anthonyfieroni, kde-frameworks-devel, LeGast00n, GB_2, michaelh, 
ngraham, bruns