Add breadcrumbs and UI consistency updates across backoffice templates

templates/backoffice/quiz/tab_candidates.html.twig

@@ -17,7 +17,7 @@
         {% endif %}
     </div>
 
-    <h3 class="mb-0">{{ currentIndex + 1 }}. {{ question }}</h3>
+    <h4 class="mb-0">{{ currentIndex + 1 }}. {{ question }}</h4>
 
     <div>
         {% if currentIndex is not null and currentIndex < (questions|length - 1) %}
@@ -31,12 +31,12 @@
 </div>
 
 <form method="post">
-    <table class="table table-hover table-striped">
+    <table class="table table-hover table-striped mb-3">
         <thead>
             <tr>
                 <th scope="col">{{ 'Candidate'|trans }}</th>
                 {% for answer in question.answers %}
-                    <th>{{ answer }}</th>
+                    <th scope="col">{{ answer }}</th>
                 {% endfor %}
             </tr>
         </thead>