Fix updateLegend function. CURA-3321
Fix updateLegend function. CURA-3321

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