🐛 virtual printer: Fix yet another unicode issue
🐛 virtual printer: Fix yet another unicode issue

Closes #3105

foosel/OctoPrint,Jaesin/OctoPrint,foosel/OctoPrint,Jaesin/OctoPrint,foosel/OctoPrint,foosel/OctoPrint,Jaesin/OctoPrint,Jaesin/OctoPrint