Increased width of support extruder combobox
Increased width of support extruder combobox

CURA-2792

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