chore(backoffice): improve schedule importer dashboard

src/backoffice/templates/backoffice/schedules_index.html

@@ -27,22 +27,11 @@
             <div class="card-body">
               <p>
                 <span class="text-muted small">{% trans "ScheduleSource__import_url" %} (<span title="{% trans "ScheduleSource__import_type" %}">{{ source.import_type }}</span>):</span>
-                <br>
                 {{ source.import_url_masked }}
               </p>
               <p>
                 <span class="text-muted small">{% trans "ScheduleSource__last_import" %}:</span>
-                <br>
-                {{ source.last_import|naturaltime|default:"-/-" }}
-              </p>
-              <p>
-                <span class="text-muted small">{% trans "ScheduleSource__import_frequency" %}:</span>
-                <br>
-                {% if source.frequency %}
-                  {{ source.frequency|naturaltimespan }}
-                {% else %}
-                  -/-
-                {% endif %}
+                {{ latest.summary|linebreaksbr|default:"" }}
               </p>
               {% if source.has_running_import %}
                 <p class="text-primary">