Make sure action have getPriority attribute before calling it (eg. global actions do not have)

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@5121 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/patches/ActionProviderBase.py

@@ -36,6 +36,7 @@ def ActionProviderBase_manage_editActionsForm( self, REQUEST, manage_tabs_messag
         a1['visible'] = a.getVisibility()
         a1['action'] = a.getActionExpression()
         a1['condition'] = a.getCondition()
+        if hasattr(a, 'getPriority') :
           a1['priority'] = a.getPriority()
         if hasattr(a, 'getIconExpression') :
           a1['icon'] = a.getIconExpression()