add a datetime on alarm's tag thus notify only refer to one alarm

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@20250 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Alarm.py

@@ -305,7 +305,7 @@ class Alarm(XMLObject, PeriodicityMixin):
       # able to notify the user after all processes are ended
       # We do some inspection to keep compatibility
       # (because fixit and tag were not set previously)
-      tag='Alarm_activeSense_%s' % self.getId()
+      tag='Alarm_activeSense_%s_%s' % (self.getId(), DateTime())
       kw = {}
       method = getattr(self, method_id)
       name_list = method.func_code.co_varnames