fix back button bug in settings app

src/plugins/kibana/public/settings/app.html

@@ -3,7 +3,7 @@
     <div class="container-fluid">
       <ul class="nav navbar-nav">
         <li ng-repeat="section in sections" ng-class="section.class">
-          <a class="navbar-link" kbn-href="{{section.url}}" data-test-subj="{{section.name}}">{{section.display}}</a>
+          <a class="navbar-link" kbn-href="{{section.url()}}" data-test-subj="{{section.name}}">{{section.display}}</a>
         </li>
       </ul>
     </div>

src/plugins/kibana/public/settings/sections/about/index.js

@@ -17,6 +17,9 @@ define(function (require) {
     order: Infinity,
     name: 'about',
     display: 'About',
-    url: '#/settings/about'
+    url: function () {
+      const hash = window.location.hash;
+      return hash.indexOf('/about') === -1 ? '#/settings/about?' + hash.split('?')[1] : '#/settings/about';
+    }
   };
 });

src/plugins/kibana/public/settings/sections/advanced/index.js

@@ -56,6 +56,9 @@ define(function (require) {
     order: 2,
     name: 'advanced',
     display: 'Advanced',
-    url: '#/settings/advanced'
+    url: function () {
+      const hash = window.location.hash;
+      return hash.indexOf('/advanced') === -1 ? '#/settings/advanced?' + hash.split('?')[1] : '#/settings/advanced';
+    }
   };
 });

src/plugins/kibana/public/settings/sections/indices/index.js

@@ -46,6 +46,9 @@ define(function (require) {
   return {
     name: 'indices',
     display: 'Indices',
-    url: '#/settings/indices',
+    url: function () {
+      const hash = window.location.hash;
+      return hash.indexOf('/indices') === -1 ? '#/settings/indices?' + hash.split('?')[1] : '#/settings/indices';
+    }
   };
 });

src/plugins/kibana/public/settings/sections/objects/index.js

@@ -11,6 +11,9 @@ define(function (require) {
   return {
     name: 'objects',
     display: 'Objects',
-    url: '#/settings/objects'
+    url: function () {
+      const hash = window.location.hash;
+      return hash.indexOf('/objects') === -1 ? '#/settings/objects?' + hash.split('?')[1] : '#/settings/objects';
+    }
   };
 });

src/plugins/kibana/public/settings/sections/status/index.js

@@ -5,6 +5,8 @@ define(function (require) {
     order: 3,
     name: 'status',
     display: 'Status',
-    url: '/status'
+    url: function () {
+      return '/status';
+    }
   };
 });