[Part] fix regression in location dialog layout
[Part] fix regression in location dialog layout

For some reason the horizontal alignment got broken. This PR replaces the different grids with each on grid per groupbox

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