search: Clicking on a search pill should not lose searchbox focus.

Whenever a search pill is selected or deleted by a click the navbar
gets rendered as the searchbox loses focus. This allows the user to
be able to continue editing the search query without having to refocus
the searchbox.

static/js/input_pill.js

@@ -372,6 +372,7 @@ exports.create = function (opts) {
         appendValue: funcs.appendPill.bind(funcs),
         appendValidatedData: funcs.appendValidatedData.bind(funcs),
 
+        getByID: funcs.getByID,
         items: funcs.items,
 
         onPillCreate: function (callback) {