Do not show the "Request Access" button when no printer is connected
Do not show the "Request Access" button when no printer is connected

CURA-2277

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