Fix for attachments not being returned with order=date
Fix for attachments not being returned with order=date

Also fixed using order= and itemType= together

grumbelbart/zotero_dataserver_sualk,grumbelbart/zotero_dataserver_sualk,zebulon2/dataserver,zebulon2/dataserver,grumbelbart/zotero_dataserver_sualk,zebulon2/dataserver,grumbelbart/zotero_dataserver_sualk,zebulon2/dataserver