* Use `boost::nowide` directly from boost Cherry-picked from prusa3d/PrusaSlicer@bffa3f8578 Co-authored-by: tamasmeszaros <meszaros.q@gmail.com> * Replaced all occurrences of boost::nowide::narrow for wxStrings with into_u8 Cherry-picked from prusa3d/PrusaSlicer@8d6497297a Co-authored-by: tamasmeszaros <meszaros.q@gmail.com> * Fix flatpak build