added reseting of selection when we select a listbox action, this prevent to delete anything

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@854 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/ListBox.py

@@ -340,7 +340,7 @@ class ListBoxWidget(Widget.Widget):
         #if selection_name is None:
         #  selection_name = str(random.randrange(1,2147483600))
         current_selection_name = REQUEST.get('selection_name','default')
-        list_action = here.absolute_url() + '/' + field.get_value('list_action')
+        list_action = here.absolute_url() + '/' + field.get_value('list_action') + '?reset=1'
         object_list = []
 
         #LOG('Listbox',0,'search_columns1: %s' % str(search_columns))