Fix of #5517 "Unsupported Selection" error when copy pasting objects with modifiers...
Fix of #5517 "Unsupported Selection" error when copy pasting objects with modifiers...

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