[TASK] Remove Code < TYPO3 10.4

Classes/Middleware/ContentReplacerMiddleware.php

@@ -164,7 +164,7 @@ class ContentReplacerMiddleware implements MiddlewareInterface {
 	 * @throws \TYPO3\CMS\Core\Http\ImmediateResponseException
 	 */
 	public function prepareConfiguration(): array {
-		if (TYPO3_MODE === 'BE') {
+		if (\TYPO3\CMS\Core\Http\ApplicationType::fromRequest($GLOBALS['TYPO3_REQUEST'])->isBackend()) {
 			/** @var TypoScriptFrontendController $typoScriptFrontendController */
 			$typoScriptFrontendController = $GLOBALS['TSFE'];
 			if (!($typoScriptFrontendController instanceof TypoScriptFrontendController)) {
@@ -179,21 +179,17 @@ class ContentReplacerMiddleware implements MiddlewareInterface {
 		}
 
 		$extensionConfiguration = $GLOBALS['TYPO3_CONF_VARS']['EXTENSIONS']['content_replacer'] ?? [];
-		if (TYPO3_MODE === 'BE') {
+		if (\TYPO3\CMS\Core\Http\ApplicationType::fromRequest($GLOBALS['TYPO3_REQUEST'])->isBackend()) {
 			$configurationManager = GeneralUtility::makeInstance(BackendConfigurationManager::class);
 			$extbaseFrameworkConfiguration = $configurationManager->getTypoScriptSetup();
 			$typoscriptConfiguration = $extbaseFrameworkConfiguration['plugin.']['tx_content_replacer.'];
 		} else {
 			if (empty($GLOBALS['TSFE']->tmpl->setup)) {
 				// we need the TypoScript configuration here, force parsing
-				if (version_compare(VersionNumberUtility::getCurrentTypo3Version(), '10.4.0', '>=')) {
-					GeneralUtility::makeInstance(Context::class)->setAspect(
-						'typoscript',
-						GeneralUtility::makeInstance(TypoScriptAspect::class, TRUE)
-					);
-				} else {
-					$GLOBALS['TSFE']->forceTemplateParsing = TRUE;
-				}
+				GeneralUtility::makeInstance(Context::class)->setAspect(
+					'typoscript',
+					GeneralUtility::makeInstance(TypoScriptAspect::class, TRUE)
+				);
 				$GLOBALS['TSFE']->tmpl->start($GLOBALS['TSFE']->rootLine);
 			}