JSON feat: replaced global_only with four properties settable_per_[mesh|extruder|meshgroup] and settable_globally for fdmextruder settings (CURA-1558)
JSON feat: replaced global_only with four properties settable_per_[mesh|extruder|meshgroup] and settable_globally for fdmextruder settings (CURA-1558)

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