[BUGFIX] Fetch only pages of default language

This commit changes the fetching of pages due to the
pages_language_overlay migrated into the pages table.

Classes/Service/BackendService.php

@@ -32,7 +32,9 @@ use SGalinski\SgMail\Domain\Repository\TemplateRepository;
 use TYPO3\CMS\Backend\Template\Components\ButtonBar;
 use TYPO3\CMS\Backend\Template\Components\DocHeaderComponent;
 use TYPO3\CMS\Backend\Utility\BackendUtility;
+use TYPO3\CMS\Core\Database\ConnectionPool;
 use TYPO3\CMS\Core\Database\DatabaseConnection;
+use TYPO3\CMS\Core\Database\Query\Restriction\DeletedRestriction;
 use TYPO3\CMS\Core\Imaging\Icon;
 use TYPO3\CMS\Core\Imaging\IconFactory;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
@@ -70,13 +72,26 @@ class BackendService {
 	 */
 	public static function getPages(): array {
 		$out = [];
-		/** @var $databaseConnection DatabaseConnection */
-		$databaseConnection = $GLOBALS['TYPO3_DB'];
-		$rows = $databaseConnection->exec_SELECTgetRows(
-			'*',
-			'pages',
-			'deleted = 0 AND is_siteroot = 1'
-		);
+
+		$connectionPool = GeneralUtility::makeInstance(ConnectionPool::class);
+		$queryBuilder = $connectionPool->getQueryBuilderForTable('pages');
+		$queryBuilder->getRestrictions()
+			->removeAll()
+			->add(GeneralUtility::makeInstance(DeletedRestriction::class));
+		$rows = $queryBuilder->select('*')
+			->from('pages')
+			->where(
+				$queryBuilder->expr()->andX(
+					$queryBuilder->expr()->eq(
+						'is_siteroot',
+						1
+					),
+					$queryBuilder->expr()->eq(
+						'sys_language_uid',
+						0
+					)
+				)
+			)->execute()->fetchAll();
 
 		foreach ($rows as $row) {
 			$pageInfo = BackendUtility::readPageAccess($row['uid'], $GLOBALS['BE_USER']->getPagePermsClause(1));