customerTicket/templates/tickets/_staff_older_messages.html

{% if has_older %}<button class="load-older" type="button" data-load-older hx-get="{% url 'staff_tickets:messages' ticket.public_id %}?before={{ older_cursor }}" hx-target="this" hx-swap="outerHTML">↑ نمایش مکاتبات قدیمی‌تر</button>{% endif %}
{% include 'tickets/_staff_messages.html' %}