queue: Make several minor improvements

* Drop per item edit and delete links
* Add drop-down links for edit and delete after queue title
* Fix crash on queues with keyword searches
* Fix menu collapse with several top-level queues. "Search" and "New Ticket"
  are always shown on the nav bar
* Update queue `path` on update
* Include cascaded parent's criteria when displaying inherited criteria
* Show inherited criteria on saved search edit dialog