Astra Off-Canvas woocommerce sidebar title tags

function my_custom_widget_title_tag( $params ) {
    $params[astra-woo-product-off-canvas-sidebar]['before_title'] = '<h4 class="widget-title widgettitle">' ;
    $params[astra-woo-product-off-canvas-sidebar]['after_title']  = '</h4>' ;
    return $params;
}
add_filter( 'dynamic_sidebar_params' , 'my_custom_widget_title_tag' );