feat: add demo mode tests to ensure API is disabled on it

app/templates/layouts/base.html

@@ -34,8 +34,7 @@
       {% if demo_mode %}
       <div class="px-3 m-0" id="demo-mode-alert" hx-preserve>
         <div class="alert alert-warning my-3 relative" role="alert">
-          <strong>{% trans "This is a demo!" %}</strong> {% trans "Any data you add here will be wiped in 24hrs or less"
-          %}
+          <strong>{% trans "This is a demo!" %}</strong>{% trans "Any data you add here will be wiped in 24hrs or less" %}
           <button type="button" class="btn btn-sm btn-ghost absolute right-2 top-1/2 -translate-y-1/2"
             onclick="this.parentElement.style.display='none'" aria-label="Close">✕</button>
         </div>
@@ -54,4 +53,4 @@
   {% endblock extra_js_body %}
 </body>
 
-</html>
+</html>