Feature: #83906 - Disable single FormEngine data provider 

Description 

Single data providers used in the FormEngine data compilation step can be disabled.

As an example, if editing a full database record, the default TcaCheckboxItems could be shut down by setting disabled in the tcaDatabaseRecord group in an extensions ext_localconf.php file:

$GLOBALS['TYPO3_CONF_VARS']['SYS']['formEngine']['formDataGroup']['tcaDatabaseRecord']
[\TYPO3\CMS\Backend\Form\FormDataProvider\TcaCheckboxItems::class]['disabled'] = true;

Extension authors can then add an own data provider which depends on the disabled one and is before of the next one to effectively substitute single providers with own solutions if needed.

Impact 

The disable feature allows extension authors to easily substitute existing data providers with own solutions and avoids nasty array- and dependency munging by extension authors.