[Time] Conductor changes based on click not scope

Update time conductor so that it triggers changes when the user
selects them instead of when the scope is updated.  Prevents spurious
changes from being triggered by the conductor when it updates
in response to a time API change.

Fixes #1636.

platform/features/conductor/core/res/templates/mode-selector/mode-menu.html

@@ -23,7 +23,7 @@
     <div class="pane left menu-items">
         <ul>
             <li ng-repeat="metadata in ngModel.options"
-                ng-click="ngModel.selected = metadata">
+                ng-click="ngModel.select(metadata)">
                 <a ng-mouseover="ngModel.activeMetadata = metadata"
                    ng-mouseleave="ngModel.activeMetadata = undefined"
                    class="menu-item-a {{metadata.cssClass}}">

platform/features/conductor/core/src/ui/TimeConductorController.js

@@ -111,7 +111,8 @@ define(
             var options = this.optionsFromConfig(config);
             this.menu = {
                 selected: undefined,
-                options: options
+                options: options,
+                select: this.selectMenuOption
             };
 
             //Set the initial state of the UI from the conductor state
@@ -132,8 +133,6 @@ define(
                 this.setViewFromBounds(bounds);
             }
 
-            this.$scope.$watch("tcController.menu.selected", this.selectMenuOption);
-
             this.conductorViewService.on('pan', this.onPan);
             this.conductorViewService.on('pan-stop', this.onPanStop);
 
@@ -164,10 +163,13 @@ define(
          *
          * @private
          * @param newOption
-         * @param oldOption
          */
-        TimeConductorController.prototype.selectMenuOption = function (newOption, oldOption) {
+        TimeConductorController.prototype.selectMenuOption = function (newOption) {
-            if (newOption !== oldOption) {
+            if (this.menu.selected.key === newOption.key) {
+                return;
+            }
+            this.menu.selected = newOption;
+
             var config = this.getConfig(this.timeAPI.timeSystem(), newOption.clock);
             if (!config) {
                 // Clock does not support this timeSystem, fallback to first
@@ -184,7 +186,6 @@ define(
                 this.timeAPI.stopClock();
                 this.timeAPI.timeSystem(config.timeSystem, config.bounds);
             }
-            }
         };
 
         /**

src/adapter/runs/TimeSettingsURLHandlerSpec.js

@@ -48,10 +48,14 @@ define([
         beforeEach(function () {
             clockA = jasmine.createSpyObj('clockA', ['on', 'off']);
             clockA.key = 'clockA';
-            clockA.currentValue = function () { return 1000; }
+            clockA.currentValue = function () {
+                return 1000;
+            };
             clockB = jasmine.createSpyObj('clockB', ['on', 'off']);
             clockB.key = 'clockB';
-            clockB.currentValue = function () { return 2000; }
+            clockB.currentValue = function () {
+                return 2000;
+            };
             timeSystemA = {key: 'timeSystemA'};
             timeSystemB = {key: 'timeSystemB'};
             boundsA = {