[Resolved] Static USD Shipping Value Needs to Convert Dynamically to User's Geolocation Currency

function earmuffz_get_current_currency() {
    // Try WCML filter
    $currency = apply_filters( 'wcml_currency', null );

    // Try SESSION (WCML stores currency here when multi-currency is enabled)
    if ( empty( $currency ) && isset( $_SESSION['wcml_currency'] ) && $_SESSION['wcml_currency'] !== '' ) {
        $currency = $_SESSION['wcml_currency'];
    }

    // Fallback to WooCommerce default
    if ( empty( $currency ) ) {
        $currency = get_woocommerce_currency();
    }

    return $currency;
}

function my_cart_shipping_total_shortcode() {
    $base_price = 45;

    // Convert using WCML if available
    $converted_price = apply_filters( 'wcml_raw_price_amount', $base_price );

    // If for some reason it fails, at least format base price
    if ( ! $converted_price ) {
        $converted_price = $base_price;
    }

    return wc_price( $converted_price, [ 'currency' => earmuffz_get_current_currency() ] );
}
add_shortcode( 'earmuffz_shipping', 'my_cart_shipping_total_shortcode' );