Previously only 3D models could be picked for context menu target.
Now any node that can be resolved from a point at 3D edit view can be
picked.
Fixes: QDS-7518
Change-Id: Id4a30d96744c42907d45688493776bdff35b934e
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>