Fix issue that the contact layer is printed in wrong filament when interface layer number is set to 0 Cherry-picked from prusa3d/PrusaSlicer@ca5f6da08d Co-authored-by: Vojtech Bubnik <bubnikv@gmail.com>
Fix issue that the contact layer is printed in wrong filament when interface layer number is set to 0 Cherry-picked from prusa3d/PrusaSlicer@ca5f6da08d Co-authored-by: Vojtech Bubnik <bubnikv@gmail.com>