Fix NRE when UpdateFirstDiscover called without connection
Fix NRE when UpdateFirstDiscover called without connection

andreaspada/EDDiscovery,klightspeed/EDDiscovery,andreaspada/EDDiscovery,EDDiscovery/EDDiscovery,klightspeed/EDDiscovery,klightspeed/EDDiscovery,EDDiscovery/EDDiscovery,EDDiscovery/EDDiscovery