[FIX] website_mail: mail.message.check_access_rule: no check for super-user

addons/website_mail/models/mail_message.py

@@ -77,6 +77,7 @@ class MailMessage(osv.Model):
             - read:
                 - raise if the type is comment and subtype NULL (internal note)
         """
+        if uid != SUPERUSER_ID:
             group_ids = self.pool.get('res.users').browse(cr, uid, uid, context=context).groups_id
             group_user_id = self.pool.get("ir.model.data").get_object_reference(cr, uid, 'base', 'group_public')[1]
             if group_user_id in [group.id for group in group_ids]:
@@ -85,5 +86,4 @@ class MailMessage(osv.Model):
                     raise osv.except_osv(
                         _('Access Denied'),
                         _('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % (self._description, operation))
-
         return super(MailMessage, self).check_access_rule(cr, uid, ids=ids, operation=operation, context=context)