D8948: Created an auxiliary function 'KFilePlacesModel::movePlace'

[Franck Arrecot]

franckarrecot added a dependent revision: D8367: Hidding place groups 
implementation in KFilePlacesModel.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D8948

To: renatoo, dfaure
Cc: #frameworks