fix(products): fix default product id
fix(products): fix default product id

number can't be converted to objectid, so that product couldn't be used
by subscriber

nistormihai/superdesk-core,petrjasek/superdesk-core,ancafarcas/superdesk-core,mugurrus/superdesk-core,marwoodandrew/superdesk-core,petrjasek/superdesk-core,superdesk/superdesk-core,ioanpocol/superdesk-core,ioanpocol/superdesk-core,akintolga/superdesk-core,hlmnrmr/superdesk-core,petrjasek/superdesk-core,nistormihai/superdesk-core,ancafarcas/superdesk-core,marwoodandrew/superdesk-core,akintolga/superdesk-core,superdesk/superdesk-core,superdesk/superdesk-core,mugurrus/superdesk-core,petrjasek/superdesk-core,mdhaman/superdesk-core,ioanpocol/superdesk-core,mdhaman/superdesk-core,mdhaman/superdesk-core,mugurrus/superdesk-core,superdesk/superdesk-core,hlmnrmr/superdesk-core