use specified key when saving cv value rather than name (#3250)
use specified key when saving cv value rather than name (#3250)

we can't save strings to priority so name doesn't work there,
it should be using qcode (set via key param).

SDANSA-360
pavlovicnemanja/superdesk-client-core,pavlovicnemanja/superdesk-client-core,superdesk/superdesk-client-core,superdesk/superdesk-client-core,superdesk/superdesk-client-core,petrjasek/superdesk-client-core,petrjasek/superdesk-client-core,petrjasek/superdesk-client-core,petrjasek/superdesk-client-core,pavlovicnemanja/superdesk-client-core,pavlovicnemanja/superdesk-client-core,superdesk/superdesk-client-core,petrjasek/superdesk-client-core,pavlovicnemanja/superdesk-client-core,superdesk/superdesk-client-core