[Gui] add Std_TransformManip to MenuItem
[Gui] add Std_TransformManip to MenuItem

I was wondering why we only offer this tool in the context menu. I tested and cannot see a drawback in having it also in the edit menu

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