Breaking: #101133 - IconFactory->getIcon signature change

See forge#101133

Description

The public method getIcon in \TYPO3\CMS\Core\Imaging\IconFactory has changed its 4th parameter, in order to prepare the removal of class \TYPO3\CMS\Core\Type\Icon\IconState.

Impact

Custom extensions extending the getIcon method of class \TYPO3\CMS\Core\Imaging\IconFactory not having the same signature will fail with a PHP fatal error.

Affected installations

Custom extensions extending the getIcon method from class \TYPO3\CMS\Core\Imaging\IconFactory.

Migration

Adapt the 4th parameter of getIcon to be of type \TYPO3\CMS\Core\Type\Icon\IconState|IconState $state = null

In addition, adapt the code in the body of the method.