woocommerce_order_item_display_meta_value.php

<?php
add_filter( 'woocommerce_order_item_display_meta_value', 'my_pewc_hide_field_value_by_type', 20, 3 );
function my_pewc_hide_field_value_by_type( $display_value, $meta, $order_item ) {

    if ( ! is_admin() ) {
        return $display_value;
    }

    // Field types to hide the entered value for (price-only display)
    $target_types = array( 'radio-group', 'calculation' );

    $field = my_pewc_find_field_by_meta_key( $meta->key, $order_item );

    if ( ! $field || empty( $field['type'] ) || ! in_array( $field['type'], $target_types, true ) ) {
        return $display_value;
    }

    // Keep only the wc_price() markup, drop the entered value
    if ( preg_match( '/<span class="woocommerce-Price-amount[^"]*">.*?<\/span>(<\/bdi>)?/s', $display_value, $matches ) ) {
        return $matches[0];
    }

    return '';
}

function my_pewc_find_field_by_meta_key( $meta_key, $order_item ) {

    $product_extras = $order_item->get_meta( 'product_extras' );

    if ( empty( $product_extras['groups'] ) ) {
        return false;
    }

    // Strip the leading underscore PEWC adds to the meta key
    $target_label = ltrim( $meta_key, '_' );

    $all_groups = pewc_rebuild_cart_item_data( $product_extras, 'order' );

    foreach ( $all_groups as $group ) {
        if ( ! $group ) {
            continue;
        }
        foreach ( $group as $field_id => $field ) {
            if ( ! is_array( $field ) ) {
                continue;
            }
            $label = ! empty( $field['label'] ) ? $field['label'] : ( $field['id'] ?? '' );
            if ( $label === $target_label ) {
                return $field;
            }
        }
    }

    return false;
}