function wpf_adjust_action_priority() {

    if ( function_exists( 'wp_fusion' ) ) {

        remove_action( 'woocommerce_order_status_processing', array( wp_fusion()->integrations->woocommerce, 'woocommerce_apply_tags_checkout' ), 10, 1 );
        add_action( 'woocommerce_order_status_processing', array( wp_fusion()->integrations->woocommerce, 'woocommerce_apply_tags_checkout' ), 1, 1 );

    }

}

add_action( 'init', 'wpf_adjust_action_priority' );