Name.php

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<?php
namespace Magento\Sales\Block\Adminhtml\Items\Column;

use Magento\Framework\Filter\TruncateFilter\Result;

class Name extends \Magento\Sales\Block\Adminhtml\Items\Column\DefaultColumn
{
    private $truncateResult = null;

    public function truncateString($value, $length = 80, $etc = '...', &$remainder = '', $breakWords = true)
    {
        $this->truncateResult = $this->filterManager->truncateFilter(
            $value,
            ['length' => $length, 'etc' => $etc, 'breakWords' => $breakWords]
        );
        return $this->truncateResult->getValue();
    }

    public function getFormattedOption($value)
    {
        $remainder = '';
        $this->truncateString($value, 55, '', $remainder);
        $result = [
            'value' => nl2br($this->truncateResult->getValue()),
            'remainder' => nl2br($this->truncateResult->getRemainder())
        ];

        return $result;
    }
}