Remove KUrl from autorefresh, dirfilter, domtreeview and fsview plugins
Summary:
Remove use of KUrl from plugins
This is the first step in the long road to remove use of KDELibs4Support
Plugins which currently aren't compiled (for example, UAChanger or
AdBlock) haven't been changed
Test Plan: check that konqueror and its plugins compile
Reviewers: dfaure
Reviewed By: dfaure
Differential Revision: https://phabricator.kde.org/D14979