Use null coalesce operator instead of ternary operator.

FILE: C:\xampp\htdocs\test\web\modules\custom\eu_cookie_compliance_matomo\src\Form\EuCookieComplianceMatomoForm.php
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FOUND 2 ERRORS AFFECTING 2 LINES
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1 | ERROR | [x] End of line character is invalid; expected "\n" but found "\r\n"
118 | ERROR | [x] Use null coalesce operator instead of ternary operator.
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PHPCBF CAN FIX THE 2 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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