KUrlMimeData::urlsFromMimeData: add SkipXdgPortal flag
With this flag, urlsFromMimeData won't use the XDG Documents Portal even if it is available. Dolphin should use this to avoid paths being routed through the portal and changed by it (e.g. symlinks resolved to their targets).
Related MRs: system/dolphin!586 kio!1369 (closed)
Edited by Jin Liu