Do not navigate to vm-connect page upon disconnect

runtime/bin/vmservice/observatory/lib/src/elements/nav_bar.html

Index: runtime/bin/vmservice/observatory/lib/src/elements/nav_bar.html
diff --git a/runtime/bin/vmservice/observatory/lib/src/elements/nav_bar.html b/runtime/bin/vmservice/observatory/lib/src/elements/nav_bar.html
index a5150043ac584314f5f809b1761a9847692a01c4..99d776f337587dfa3949ac022668fb9cef8b8818 100644
--- a/runtime/bin/vmservice/observatory/lib/src/elements/nav_bar.html
+++ b/runtime/bin/vmservice/observatory/lib/src/elements/nav_bar.html
@@ -343,6 +343,13 @@
         <a class="boxclose" on-click="{{ closeItem }}">&times;</a>
       </div>
     </template>
+    <template if="{{ event.eventType == 'VMDisconnected' }}">
+      <div class="item">
+        Disconnected from VM
+        <br><br>
+        <a class="boxclose" on-click="{{ closeItem }}">&times;</a>
+      </div>
+    </template>
   </template>
 </polymer-element>