Perf: Optimize pages loading (simplify some code)

Signed-off-by: Kostiantyn Miakshyn <molodchick@gmail.com>

Author: Koc

lib/Db/PageMapper.php

@@ -90,7 +90,6 @@ public function findByFileIds(array $fileIds, bool $trashed = false): array {
 		}
 
 		$pagesByFileId = [];
-		// Chunk fileIds to avoid Oracle's 1000 item limit in IN clauses
 		foreach (array_chunk($fileIds, 1000) as $chunk) {
 			$qb = $this->db->getQueryBuilder();
 			$qb->select('*')

lib/Service/PageService.php

@@ -471,12 +471,7 @@ public function getPagesFromFolder(int $collectiveId, Folder $folder, string $us
 			}
 		}
 		$pagesByFileId = $this->pageMapper->findByFileIds($pageFileIds);
-		try {
-			// The `page_id` column of `collectives_page_links` holds the file id (see NodeWrittenListener)
-			$linkedPageIdsByFileId = $this->pageLinkMapper->findByPageIds($pageFileIds);
-		} catch (DBException $e) {
-			throw new NotFoundException($e->getMessage(), 0, $e);
-		}
+		$linkedPageIdsByFileId = $this->pageLinkMapper->findByPageIds($pageFileIds);
 		$displayNames = [];
 		foreach ($pagesByFileId as $page) {
 			$lastUserId = $page->getLastUserId();