use priority=4 for Base_callPreConvert activities.

bt5/erp5_dms_conversion_catalog/CatalogMethodTemplateItem/portal_catalog/erp5_mysql_innodb/SQLCatalog_preConvertDocumentList.xml

@@ -66,7 +66,7 @@ if address not in MARKER and port not in MARKER:\n
     # we need a way to do this by introspection\n
     if ((getattr(document, "getData", None) is not None and document.getData() not in MARKER) or \\\n
         (getattr(document, "getBaseData", None) is not None and document.getBaseData() not in MARKER)):\n
-      document.activate(tag="conversion").Base_callPreConvert()\n
+      document.activate(priority=4, tag="conversion").Base_callPreConvert()\n
 </string> </value>
         </item>
         <item>

bt5/erp5_dms_conversion_catalog/bt/revision

-17
\ No newline at end of file
+18
\ No newline at end of file