wip

    if($cart_item['ssd_field'] != 'blank'){
        if ( isset( $cart_item['ssd_field'] ) ){
           $data[] = array(
            'name' => 'Replace with SSD',
            'value' => sanitize_text_field( $cart_item['ssd_field'] )
        );
    }}

    if($cart_item['bag_field'] != 'blank'){
        if ( isset( $cart_item['bag_field'] ) ){
           $data[] = array(
            'name' => 'Add laptop bag',
            'value' => sanitize_text_field( $cart_item['bag_field'] )
        );
    }}

    if($cart_item['mon_field'] != 'blank'){
        if ( isset( $cart_item['mon_field'] ) ){
           $data[] = array(
            'name' => 'Include 22-inch monitor',
            'value' => sanitize_text_field( $cart_item['mon_field'] )
        );
    }}

    if($cart_item['war_field'] != 'blank'){
        if ( isset( $cart_item['war_field'] ) ){
           $data[] = array(
            'name' => 'Warranty 1-year extension',
            'value' => sanitize_text_field( $cart_item['war_field'] )
        );
    }}