erp5_project: search by reference before title in Delivery_updateTaskFastInputDialog

bt5/erp5_project/SkinTemplateItem/portal_skins/erp5_project_trade/Delivery_updateTaskFastInputDialog.xml

@@ -110,6 +110,9 @@ for line in line_list:\n
     result = project_search_dict.get(line_source_project_title, None)\n
     error_message = None\n
     if result is None:\n
+      result = portal.portal_catalog(portal_type=(\'Project\', \'Project Line\'),\n
+                                     reference=line_source_project_title)\n
+      if len(result) == 0:\n
         result = portal.portal_catalog(portal_type=(\'Project\', \'Project Line\'),\n
                                        title=line_source_project_title)\n
       project_search_dict[line_source_project_title] = result\n