Yang UI - Filtering in topology list is not functioning

Reproduction steps:
1. Dlux -> Yang UI
2. Select network-topology rev.2013-10-21 in API tree
3. Navigate to config -> network-topology -> topology

4. Click + button to add topology id to topology list
5. Add 3 topologies with ids 1, 2 and 3.
6. Click filter icon to filter in topology list.
7. Insert "3" (one of topology ids you have added) and click "Ok"
8. Buggy behaviour: No result is returned by application. Console returns error.