Creates ExportJob when submission state is Exporting and includes ExportJob id in the export messages
Created by: aaclan-ebi
tickets: ebi-ait/hca-ebi-dev-team#264 and ebi-ait/hca-ebi-dev-team#265
Created by: aaclan-ebi
tickets: ebi-ait/hca-ebi-dev-team#264 and ebi-ait/hca-ebi-dev-team#265