[TASK] Fix error when using upgrade wizard

Classes/Domain/Repository/AbstractRepository.php

@@ -47,7 +47,9 @@ abstract class AbstractRepository extends Repository {
 		/** @var Typo3QuerySettings $querySettings  */
 		$querySettings = $this->objectManager->get(Typo3QuerySettings::class);
 		$querySettings->setRespectStoragePage(FALSE);
-		if (ApplicationType::fromRequest($GLOBALS['TYPO3_REQUEST'])->isBackend()) {
+		// in Migration wizard it was possible tha $GLOBALS['TYPO3_REQUEST'] was not set
+		// this should not be the case in any other case
+		if (!isset($GLOBALS['TYPO3_REQUEST']) || ApplicationType::fromRequest($GLOBALS['TYPO3_REQUEST'])->isBackend()) {
 			$querySettings->setIgnoreEnableFields(TRUE);
 		}
 		$this->setDefaultQuerySettings($querySettings);