[TASK] Simplify extbase FrontendConfigurationmanager

The "is backend" check will never kick in since this is
dispatched in ConfigurationManager already.

Resolves: #98721
Related: #98578
Releases: main
Change-Id: I9afca12237a618903d47757a6960500058106c21
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/76244
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>

typo3/sysext/extbase/Classes/Configuration/FrontendConfigurationManager.php

@@ -17,15 +17,12 @@
 
 namespace TYPO3\CMS\Extbase\Configuration;
 
-use Psr\Http\Message\ServerRequestInterface;
 use TYPO3\CMS\Core\Domain\Repository\PageRepository;
-use TYPO3\CMS\Core\Http\ApplicationType;
 use TYPO3\CMS\Core\Service\FlexFormService;
 use TYPO3\CMS\Core\SingletonInterface;
 use TYPO3\CMS\Core\TypoScript\TypoScriptService;
 use TYPO3\CMS\Core\Utility\ArrayUtility;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
-use TYPO3\CMS\Extbase\Utility\FrontendSimulatorUtility;
 use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
 
 /**
@@ -161,23 +158,9 @@ public function getConfiguration(?string $extensionName = null, ?string $pluginN
 
         if (!empty($frameworkConfiguration['persistence']['storagePid'])) {
             if (is_array($frameworkConfiguration['persistence']['storagePid'])) {
-                // We simulate the frontend to enable the use of cObjects in
-                // stdWrap. We then convert the configuration to normal TypoScript
-                // and apply the stdWrap to the storagePid
-                $isBackend = ($GLOBALS['TYPO3_REQUEST'] ?? null) instanceof ServerRequestInterface
-                    && ApplicationType::fromRequest($GLOBALS['TYPO3_REQUEST'])->isBackend();
-                if ($isBackend) {
-                    // @todo: This BE specific switch should be moved to BackendConfigurationManager to drop the dependency to $GLOBALS['TYPO3_REQUEST'] here.
-                    // Use makeInstance here since extbase Bootstrap always setContentObject(null) in Backend, no need to call getContentObject().
-                    FrontendSimulatorUtility::simulateFrontendEnvironment(GeneralUtility::makeInstance(ContentObjectRenderer::class));
-                }
                 $conf = $this->typoScriptService->convertPlainArrayToTypoScriptArray($frameworkConfiguration['persistence']);
                 $frameworkConfiguration['persistence']['storagePid'] = $GLOBALS['TSFE']->cObj->stdWrapValue('storagePid', $conf);
-                if ($isBackend) {
-                    FrontendSimulatorUtility::resetFrontendEnvironment();
-                }
             }
-
             if (!empty($frameworkConfiguration['persistence']['recursive'])) {
                 $storagePids = $this->getRecursiveStoragePids(
                     GeneralUtility::intExplode(',', (string)($frameworkConfiguration['persistence']['storagePid'] ?? '')),