Fix missing container in legacy page blade (#10208)

resources/views/layouts/legacy_page.blade.php

@@ -1,7 +1,13 @@
 @extends('layouts.librenmsv1')
 
 @section('content')
-    {!! $content !!}
+    <div class="container-fluid">
+        <div class="row">
+            <div class="col-md-12">
+                {!! $content !!}
+            </div>
+        </div>
+    </div>
 
     @if($refresh)
         <script type="text/javascript">