Fixed updating of the extruder value for last part in the object after deleting another parts (#1931)
Fixed updating of the extruder value for last part in the object after deleting another parts (#1931)

prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r