fixed: Editing menu shown to pictures from external sources in 'feature media' field (SDESK-4060)
fixed: Editing menu shown to pictures from external sources in 'feature media' field (SDESK-4060)

superdesk/superdesk-client-core,petrjasek/superdesk-client-core,marwoodandrew/superdesk-client-core,petrjasek/superdesk-client-core,pavlovicnemanja/superdesk-client-core,marwoodandrew/superdesk-client-core,mdhaman/superdesk-client-core,petrjasek/superdesk-client-core,superdesk/superdesk-client-core,marwoodandrew/superdesk-client-core,pavlovicnemanja/superdesk-client-core,mdhaman/superdesk-client-core,pavlovicnemanja/superdesk-client-core,superdesk/superdesk-client-core,superdesk/superdesk-client-core,pavlovicnemanja/superdesk-client-core,petrjasek/superdesk-client-core,marwoodandrew/superdesk-client-core,pavlovicnemanja/superdesk-client-core,petrjasek/superdesk-client-core,mdhaman/superdesk-client-core,mdhaman/superdesk-client-core,marwoodandrew/superdesk-client-core,superdesk/superdesk-client-core,mdhaman/superdesk-client-core