Add status tag to disabled workflows

wagtail/admin/templates/wagtailadmin/workflows/index.html

@@ -22,6 +22,9 @@
                                 <td class="title">
                                     <div class="title-wrapper">
                                         <a href="{% url view.edit_url_name workflow.pk %}">{{ workflow }}</a>
+                                        {% if not workflow.active %}
+                                            <span class="status-tag">Disabled</span>
+                                        {% endif %}
                                     </div>
                                 </td>
                                 <td class="tasks">