again to not change request headers when we only calculate

the size of a pt (size is calculated in zmi view)

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@42295 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5OOo/OOoTemplate.py

@@ -596,7 +596,7 @@ class OOoTemplate(ZopePageTemplate):
       tmp_ooo.setBaseData(ooo)
       tmp_ooo.setBaseContentType(self.content_type)
 
-    if request is not None and not batch_mode:
+    if request is not None and not batch_mode and not source:
       return tmp_ooo.index_html(REQUEST=request,
                                 RESPONSE=request.RESPONSE,
                                 format=format)