filterAll = function (group) {
    const charts = chartRegistry.list(group);
    for (let i = 0; i < charts.length; ++i) {
        charts[i].filterAll();
    }
}
Clear all filters on all charts within the given chart group. If the chart group is not given then
only charts that belong to the default chart group will be reset.
@function filterAll
@param {String} [group]
@return {undefined}