#382 Arrow key not working in dropdown

Testcase to check arrow key in dropdowns

  1. Open Order window

  2. Add a bpartner then press tab to get to Price System field

  3. use the up and down arrows to select any price system
  4. press enter to select the price system
  5. press tab to get to other fields
  6. check other window, e.g. Product

  7. use tab to navigate through fields

  8. find a dropdown with lots of entries (e.g. statistics group)
  9. use up and down arrow to select one