Also use the same username || email pattern in app.html

src/views/app.js

@@ -1831,9 +1831,6 @@ angular.module('Application').controller('AppController', ['$scope', '$location'
         Client.getAllUsers(function (error, users) {
             if (error) return callback(error);
 
-            // ensure we have something to work with in the access restriction dropdowns
-            users.forEach(function (user) { user.display = user.username || user.email; });
-
             $scope.users = users;
 
             callback();