Deprecation: #84414 - BackendUtility::shortcutExists 

See forge#84414

Description 

The PHP method TYPO3\CMS\Backend\Utility\BackendUtility::shortcutExists() has been marked as deprecated and will be removed with TYPO3 v10.

Impact 

Installations accessing the method will trigger a PHP E_USER_DEPRECATED error.

Affected Installations 

Instances calling the method.

Migration 

Use an instance of \TYPO3\CMS\Backend\Backend\Shortcut\ShortcutRepository and call method shortcutExists() to get the same behavior.