Bugfix: Summary report generation (#3430)

* fix summary report gen post dissem model refactor

* fix summary report gen post dissem model refactor

backend/dissemination/summary_reports.py

@@ -329,7 +329,10 @@ def _get_attribute_or_data(obj, field_name):
                 )
                 return getattr(fa, field_name)
     else:
-        return getattr(obj, field_name)
+        value = getattr(obj, field_name)
+        if isinstance(value, General):
+            value = value.report_id
+        return value
 
 
 def gather_report_data_dissemination(report_ids):
@@ -439,6 +442,8 @@ def gather_report_data_pre_certification(i2d_data):
                     value = getattr(obj, field_name)
                     if isinstance(value, datetime):
                         value = value.replace(tzinfo=None)
+                    if isinstance(value, General):
+                        value = value.report_id
                     row.append(value)
             data[model_name]["entries"].append(row)