[erp5_data_protection] Beware of edit order

bt5/erp5_data_protection/SkinTemplateItem/portal_skins/erp5_data_protection/DataProtectionRequest_eraseSomeOriginalData.py

@@ -24,8 +24,7 @@ if property_id_list:
 
   if 'data' in edit_kw:
     # Drop filename too, to prevent triggering guess mime type interaction workflow which run with user permission
-    edit_kw['filename'] = None
-    edit_kw['content_type'] = None
+    document_to_cleanup.edit(filename=None, content_type=None)
 
   document_to_cleanup.edit(**edit_kw)
   clean_up_done = True