feat: adjust oauth2 implementation for TYPO3 backend login

templates/base.html.twig

@@ -11,7 +11,7 @@
             {{ encore_entry_script_tags('app') }}
         {% endblock %}
     </head>
-    <body class="bg-white text-gray-700 font-sans antialiased {{ booking_theme() }}" hx-boost="true">
+    <body class="bg-white text-gray-700 font-sans antialiased {{ booking_theme() }}"{% if not oauth2 %} hx-boost="true"{% endif %}>
         {% block body %}{% endblock %}
     </body>
 </html>