* also update 2 tooltips (the dialog already shows the current length unit)
* also update 2 tooltips (the dialog already shows the current length unit)

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