erp5_wendelin: Use version instead of validation_state='default'

bt5/erp5_wendelin/SkinTemplateItem/portal_skins/erp5_wendelin/IngestionPolicy_getIngestionOperationAndParameterDict.py

@@ -89,14 +89,8 @@ if data_ingestion is None:
   specialise_value_list = [x.getObject() for x in portal_catalog.searchResults(
     portal_type = 'Data Supply',
     reference = specialise_reference,
-    validation_state = 'validated')]
-  
-  # if we do not find a validated data supply, we look for a default data supply
-  if not specialise_value_list:
-    specialise_value_list = [x.getObject() for x in portal_catalog.searchResults(
-      portal_type = 'Data Supply',
-      reference = specialise_reference,
-      validation_state = 'default')]
+    validation_state = 'validated',
+    sort_on=(('version', 'descending')))]
       
   # create a new data ingestion
   data_ingestion = portal.data_ingestion_module.newContent(