feat: exclude unavailable assignments from list for teamer

templates/teamer/assignment/index.html.twig

@@ -59,7 +59,7 @@
                 </div>
                 <div>
                     {% if assignment.applications|length %}
-                        {% set application = assignment.applications[0] %}
+                        {% set application = assignment.applicationByTeamer(teamer) %}
                         {% if application.status == constant('App\\Entity\\Application::STATUS_REJECTED') %}
                             <a href="{{ path('app_teamer_assignment_detail', { 'uuid': assignment.uuid, 'r': return_url() }) }}"
                                class="btn btn--small flex items-center space-x-2 bg-gray-100 text-gray-800 hover:bg-gray-50">