change le app-title du template de demande (#24339)

src/authentic2_cut/templates/authentic2/cut_manager_user_validation.html

@@ -2,7 +2,9 @@
 {% load i18n %}
 
 {% block appbar %}
-  <h2>Validation d'identité</h2>
+  <h2>
+    <a href="{% url 'a2-manager-user-detail' pk=object.pk %}">{{ object.get_full_name }}</a>
+  </h2>
 {% endblock %}
 
 {% block breadcrumb %}