Ensure metadata changes are propagated to the related containers
Ensure metadata changes are propagated to the related containers

Now we properly serialize the new metadata

Contributes to CURA-342

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