Fixing broken document migration

* adds changes to document migration to correctly migrate documents

intervention/forms/intervention.py

@@ -385,6 +385,7 @@ class EditInterventionForm(NewInterventionForm):
         geometry = geom_form.save(user_action)
         self.instance.geometry = geometry
         self.instance.save()
+        self.instance.send_data_to_egon()
 
         return self.instance