Tweak general preference page spacing
Tweak general preference page spacing

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