ExtensionManagementUtility::addStatic should not call in ext_localconf.php

[websi]

Calling ExtensionManagementUtility::addStatic within ext_localconf.php generates a PHP warning.

flux/ext_localconf.php

Line 36 in 555e808

\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addStaticFile('flux', 'Configuration/TypoScript', 'Flux PAGE rendering');

The warning is only available, if autoload is disabled.

The method ExtensionManagementUtility::addStatic manipulate $GLOBALS['TCA'] which is not available at this context.
Registration should be moved to Configuration/TCA/Overrides/sys_template.php.