enable FREECAD_USE_QTOPENGL_WIDGET by default for Qt5, fixes #0002952, fixes #0001401
enable FREECAD_USE_QTOPENGL_WIDGET by default for Qt5, fixes #0002952, fixes #0001401

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