AMBARI-13208 Markup issue with user button. (ababiichuk)

ambari-web/app/styles/application.less

@@ -4868,7 +4868,7 @@ i.icon-asterisks {
 @installer-container-margin: 20px;
 #main {
   &.install-wizard-content {
-    .main-container {
+    .navbar-inner, .main-container {
       min-width: @installer-container-width + 2*@installer-container-margin;
     }
     .wizard {