Use null coalesce operator instead of ternary operator.

FILE: D:\xampp\htdocs\drupal9.5\web\modules\contrib\commerce_license_keys\src\Plugin\Commerce\LicenseType\Key.php
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FOUND 2 ERRORS AND 2 WARNINGS AFFECTING 4 LINES
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1 | ERROR | [x] End of line character is invalid; expected "\n" but found "\r\n"
5 | WARNING | [x] Unused use statement
8 | WARNING | [x] Unused use statement
63 | ERROR | [x] Use null coalesce operator instead of ternary operator.
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PHPCBF CAN FIX THE 4 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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