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

{# macros for generic dialogs #}

{% macro search_dialog(id=none, class='') %}
    <div{{ {'id': id}|xmlattr }} class="search_dialog dropdown is-active {{class}}">
        <div class="dropdown-trigger">
            {{ caller() }}
        </div>
        <div class="dropdown-menu" id="dropdown-menu" role="menu">
            <div class="search_dialog__content dropdown-content">
            </div>
        </div>
    </div>
{% endmacro %}