revert previous change to always show the first proxy listbox id when clicking

on the wheel


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@34097 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/Tool/SelectionTool.py

@@ -1238,7 +1238,7 @@ class SelectionTool( BaseTool, UniqueObject, SimpleItem ):
 
         proxy_listbox_ids = field.get_value('proxy_listbox_ids')
         REQUEST.set('proxy_listbox_ids', proxy_listbox_ids)
-        if len(proxy_listbox_ids) == 1:
+        if len(proxy_listbox_ids) > 0:
           REQUEST.set('proxy_listbox_id', proxy_listbox_ids[0][0])
         else:
           REQUEST.set('proxy_listbox_id',