Use KParts::ReadOnlyPart::localFilePath() in DolphinPart::slotOpenTerminal()
Reviewers: ngraham, elvisangelaccio, Dolphin
Reviewed By: ngraham, elvisangelaccio, Dolphin
Subscribers: kfm-devel
Tags: Dolphin
Differential Revision: https://phabricator.kde.org/D26140