Highlight the currently selected policy in the policy dropdown control thing

Summary: Ref T603. Make this a little easier to use by highlighting the current value.

Test Plan: See screenshot.

Reviewers: chad, btrahan

Reviewed By: chad

CC: chad, aran

Maniphest Tasks: T603

Differential Revision: https://secure.phabricator.com/D7289

webroot/rsrc/js/application/policy/behavior-policy-control.js

@@ -10,6 +10,7 @@
 JX.behavior('policy-control', function(config) {
   var control = JX.$(config.controlID);
   var input = JX.$(config.inputID);
+  var value = config.value;
 
   var menu = new JX.PhabricatorDropdownMenu(control)
     .setWidth(260);
@@ -39,8 +40,13 @@ JX.behavior('policy-control', function(config) {
               JX.DOM.find(control, 'span', 'policy-label'),
               render);
             input.value = phid;
+            value = phid;
           }, phid, render));
 
+        if (phid == value) {
+          item.setSelected(true);
+        }
+
         menu.addItem(item);
       }
     }