Fix image proxy on etheme

                {% call preferences_item(image_proxy_info, image_proxy_label, rtl) %}

                    <select class="form-control custom-select" name='image_proxy' data-hide-search>

                        <option value="1" {% if image_proxy  %}selected="selected"{% endif %}>{{ _('Enabled') }}</option>

                        <option value="" {% if not image_proxy %}selected="selected"{% endif %}>{{ _('Disabled')}}</option>

                        <option value="0" {% if not image_proxy %}selected="selected"{% endif %}>{{ _('Disabled')}}</option>

                    </select>

                {% endcall %}