call: group call design: Design for group call (which is used for both group call and A/V conferences) has been improved to: - have a working fullscreen button; - have a better display of peer users in grid, with responsive design; - have a nicer design for peer user, and adding avatar/nickname as overlay on the bottom of the video stream; - add a way to (un)pin a peer user, which make is appear on the whole width on top of the grid. rel 448 HG<S-Insert>: changed sat_templates/templates/bulma/call/group_peer.html

{% if days_left is defined %}
    {% if days_left > 0 %}
        <div class="notification is-success has-text-centered has-text-weight-bold mt-4">
            {% trans %}
                {{days_left}} day left
            {% pluralize %}
                {{days_left}} days left
            {% endtrans %}
        </div>
    {% else %}
        <div class="notification is-danger has-text-centered has-text-weight-bold mt-4">{% trans %}the event is finished{% endtrans %}</div>
    {% endif %}

{% endif %}