[Resolved] Text is overwritten after it is translated

///extra tabje
add_filter( 'woocommerce_product_tabs', 'ingredients_tab' );
function ingredients_tab( $tabs ) {
    $tabs['ingredients_tab'] = array(
        'title'     => __( 'Ingrediënten', 'woocommerce' ),
        'priority'  => 13,
        'callback'  => 'ingredients_tab_content'
    );
    return $tabs;
}

function ingredients_tab_content() {
    global $post;
    $current_language = apply_filters( 'wpml_current_language', NULL ); // Haal de huidige taal op
    $post_id = apply_filters( 'wpml_object_id', $post->ID, 'product', TRUE, $current_language ); // Haal de post-ID op voor de huidige taal

    $ingredients = get_post_meta( $post_id, '_ingredients', true );
    $ingredients_decoded = html_entity_decode($ingredients);
    echo apply_filters( 'the_content', $ingredients_decoded );
}




///extra html editor bij productpagina
add_action( 'add_meta_boxes', 'ingredients_meta_box' );
function ingredients_meta_box() {
    add_meta_box(
        'ingredients_meta_box',
        'Ingrediënten',
        'ingredients_meta_box_callback',
        'product',
        'normal',
        'high'
    );
}

function ingredients_meta_box_callback( $post ) {
    $ingredients = get_post_meta( $post->ID, '_ingredients', true );
    wp_editor( htmlspecialchars_decode( $ingredients ), '_ingredients', $settings = array('textarea_name'=>'_ingredients') );
}

add_action( 'save_post', 'save_ingredients_data' );
function save_ingredients_data( $post_id ) {
    if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) 
        return;
    if ( $parent_id = wp_is_post_revision( $post_id ) ) {
        $post_id = $parent_id;
    }
    $ingredients = isset( $_POST['_ingredients'] ) ? $_POST['_ingredients'] : '';
    update_post_meta( $post_id, '_ingredients', htmlspecialchars( $ingredients ) );
}

///extra tabje advies
add_filter( 'woocommerce_product_tabs', 'advies_tab' );
function advies_tab( $tabs ) {
    $tabs['advies_tab'] = array(
        'title'     => __( 'Advies', 'woocommerce' ),
        'priority'  => 14,
        'callback'  => 'advies_tab_content'
    );
    return $tabs;
}


function advies_tab_content() {
    global $post;
    $advies = get_post_meta( $post->ID, '_advies', true );
    $advies_decoded = html_entity_decode($advies);
    echo apply_filters( 'the_content', $advies_decoded );
}


///extra html editor als Advies bij productpagina
add_action( 'add_meta_boxes', 'advies_meta_box' );
function advies_meta_box() {
    add_meta_box(
        'advies_meta_box',
        'Advies',
        'advies_meta_box_callback',
        'product',
        'normal',
        'high'
    );
}

function advies_meta_box_callback( $post ) {
    $advies = get_post_meta( $post->ID, '_advies', true );
    wp_editor( htmlspecialchars_decode( $advies ), '_advies', $settings = array('textarea_name'=>'_advies') );
}

add_action( 'save_post', 'save_advies_data' );
function save_advies_data( $post_id ) {
    if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) 
        return;
    if ( $parent_id = wp_is_post_revision( $post_id ) ) {
        $post_id = $parent_id;
    }
    $advies = isset( $_POST['_advies'] ) ? $_POST['_advies'] : '';
    update_post_meta( $post_id, '_advies', htmlspecialchars( $advies ) );
}

///extra tabje Uw operatie
add_filter( 'woocommerce_product_tabs', 'uw_operatie_tab' );
function uw_operatie_tab( $tabs ) {
    global $post;
    $uw_operatie = get_post_meta( $post->ID, '_uw_operatie', true );
    if (!empty($uw_operatie)) {
        $tabs['uw_operatie_tab'] = array(
            'title'     => __( 'Uw operatie', 'woocommerce' ),
            'priority'  => 15,
            'callback'  => 'uw_operatie_tab_content'
        );
    }
    return $tabs;
}

function uw_operatie_tab_content() {
    global $post;
    $uw_operatie = get_post_meta( $post->ID, '_uw_operatie', true );
    $uw_operatie_decoded = html_entity_decode($uw_operatie);
    echo apply_filters( 'the_content', $uw_operatie_decoded );
}

///extra html editor als Uw operatie bij productpagina
add_action( 'add_meta_boxes', 'uw_operatie_meta_box' );
function uw_operatie_meta_box() {
    add_meta_box(
        'uw_operatie_meta_box',
        'Uw operatie',
        'uw_operatie_meta_box_callback',
        'product',
        'normal',
        'high'
    );
}

function uw_operatie_meta_box_callback( $post ) {
    $uw_operatie = get_post_meta( $post->ID, '_uw_operatie', true );
    wp_editor( htmlspecialchars_decode( $uw_operatie ), '_uw_operatie', $settings = array('textarea_name'=>'_uw_operatie') );
}

add_action( 'save_post', 'save_uw_operatie_data' );
function save_uw_operatie_data( $post_id ) {
    if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) 
        return;
    if ( $parent_id = wp_is_post_revision( $post_id ) ) {
        $post_id = $parent_id;
    }
    $uw_operatie = isset( $_POST['_uw_operatie'] ) ? $_POST['_uw_operatie'] : '';
    update_post_meta( $post_id, '_uw_operatie', htmlspecialchars( $uw_operatie ) );
}