Move New UI button to left navigation menu

solr/webapp/web/css/angular/menu.css

@@ -262,6 +262,8 @@ limitations under the License.
 
 #menu #threads.global p a { background-image: url( ../../img/ico/ui-accordion.png ); }
 
+#menu #new-ui.global p a { background-image: url( ../../img/ico/plus-button.png ); }
+
 #menu #collections.global p a { background-image: url( ../../img/ico/documents-stack.png ); }
 #menu #cores.global p a { background-image: url( ../../img/ico/databases.png ); }
 

solr/webapp/web/index.html

@@ -193,6 +193,8 @@ <h2>Connection recovered...</h2>
               <li id="java-properties" class="global" ng-class="{active:page=='java-props'}"><p><a href="#/~java-properties">Java Properties</a></li>
 
               <li id="threads" class="global" ng-class="{active:page=='threads'}"><p><a href="#/~threads">Thread Dump</a></p></li>
+
+              <li id="new-ui" class="global"><p><a href="/solr/compose">Open New UI</a></p></li>
             </div>
           </ul>
 

solr/webapp/web/partials/java-properties.html

@@ -14,9 +14,6 @@
 See the License for the specific language governing permissions and
 limitations under the License.
 -->
-    <div style="text-align: end">
-        <a href="/solr/compose?dest=environment"><button>Open in New UI</button></a>
-    </div>
     <div id="java-properties">
       <ul>
         <li ng-class="{odd:$odd}" ng-repeat="prop in props | orderObjectBy:'name'">