Gui: [skip ci] avoid that 3D view handles a single wheel scroll event twice
Gui: [skip ci] avoid that 3D view handles a single wheel scroll event twice

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