fix: minmum line width is 1 micron (CURA-2572)
fix: minmum line width is 1 micron (CURA-2572)

hmflash/Cura,ynotstartups/Wanhao,Curahelper/Cura,fieldOfView/Cura,fieldOfView/Cura,Curahelper/Cura,hmflash/Cura,ynotstartups/Wanhao