[MACROS] planning item workflow state change on assign id
[MACROS] planning item workflow state change on assign id

This macro change the workflow of planning item from "assigned" to
"in_progress" if the item has a corresponding "assign_id"

SDANSA-131

petrjasek/superdesk-core,ioanpocol/superdesk-core,superdesk/superdesk-core,petrjasek/superdesk-core,ioanpocol/superdesk-core,superdesk/superdesk-core,mdhaman/superdesk-core,mugurrus/superdesk-core,ioanpocol/superdesk-core,petrjasek/superdesk-core,superdesk/superdesk-core,mdhaman/superdesk-core,petrjasek/superdesk-core,superdesk/superdesk-core,mugurrus/superdesk-core,mugurrus/superdesk-core,mdhaman/superdesk-core