Google calender sync addons bug with solution

The function sync_to_gcal uses an addons loop with the wrong metadata
in file woocommerce-appointments/includes/class-wc-appointments-gcal.php

Here is the modded addons code, would be nice to adopt it into the next plugin update:

// Addons and other order items.
        if ( is_a( $order, 'WC_Order' ) ) {
            foreach ( $order->get_items() as $order_item_id => $order_item ) {
                if ( $order_item_id !== WC_Appointment_Data_Store::get_appointment_order_item_id( $appointment_id ) ) {
                    continue;
                }
                /* wrong loop
                foreach ( $order_item->get_meta_data() as $order_meta_data ) {
                    $the_meta_data = $order_meta_data->get_data();
                    if ( is_serialized( $the_meta_data['value'] ) ) {
                        continue;
                    }
                    if ( is_array( $the_meta_data['key'] ) ) {
                        continue;
                    }
                    if ( is_array( $the_meta_data['value'] ) && ! empty( $the_meta_data['value'] ) ) {
                        $onedimensional_arr = [];

                        foreach ( $the_meta_data['value'] as $meta_data_value ) {
                            // Skip deep arrays.
                            if ( is_array( $meta_data_value ) ) {
                                continue;
                            }
                            $onedimensional_arr[] = $meta_data_value;
                        }

                        $the_meta_data['value'] = implode( ', ', $onedimensional_arr );
                    }
                    // Fix for WooCommerce TM Extra Product Options plugin.
                    if ( '_tmcartepo_data' === $the_meta_data['key'] || '_tm_epo_product_original_price' === $the_meta_data['key'] || '_tm_epo' === $the_meta_data['key'] ) {
                        continue;
                    }

                    $description .= apply_filters( 'woocommerce_appointments_gcal_sync_order_meta', sprintf( '%s: %s', rawurldecode( html_entity_decode( $the_meta_data['key'] ) ), rawurldecode( html_entity_decode( $the_meta_data['value'] ) ) ), $the_meta_data, $order ) . PHP_EOL;
                }
                */
                foreach ( $order_item->get_all_formatted_meta_data() as $meta_id => $meta ) {                   
                    $description .= apply_filters( 'woocommerce_appointments_gcal_sync_order_meta', sprintf( '%s: %s', rawurldecode( html_entity_decode( $meta->display_key ) ), rawurldecode( html_entity_decode( $meta->display_value ) ) ), $meta, $order ) . PHP_EOL;
                }
            }
}

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