MillFace: add feature - exclude raised areas
MillFace: add feature - exclude raised areas

new feature enabled by name, excludes raised areas inside face, but mills over pockets and holes.

Apply 'ExcludeRaisedAreas' to all BoundaryShapes

Add algorithm to apply 'ExcludeRaisedAreas' to Stock and BoundBox
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