[IMP] Add default filter on groups

bzr revid: fp@tinyerp.com-20121115102223-i2jgjkgqf9pxez08

addons/mail/mail_group.py

@@ -130,7 +130,7 @@ class mail_group(osv.Model):
             params = {
                 'search_view_id': search_ref and search_ref[1] or False,
                 'domain': [('model', '=', 'mail.group'), ('res_id', '=', mail_group_id)],
-                'context': {'default_model': 'mail.group', 'default_res_id': mail_group_id},
+                'context': {'default_model': 'mail.group', 'default_res_id': mail_group_id, 'search_default_message_unread': True},
                 'res_model': 'mail.message',
                 'thread_level': 1,
             }