Gui: automatically activate the DlgExpressionInput dialog; fixes #4384
Gui: automatically activate the DlgExpressionInput dialog; fixes #4384

Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master