Fix some redundant casts

Happier psalm

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

apps/federatedfilesharing/lib/FederatedShareProvider.php

@@ -393,9 +393,7 @@ class FederatedShareProvider implements IShareProvider {
 		$qb->setValue('file_target', $qb->createNamedParameter(''));
 
 		$qb->execute();
-		$id = $qb->getLastInsertId();
-
-		return (int)$id;
+		return $qb->getLastInsertId();
 	}
 
 	/**

apps/sharebymail/lib/ShareByMailProvider.php

@@ -690,9 +690,7 @@ class ShareByMailProvider implements IShareProvider {
 		$qb->setValue('file_target', $qb->createNamedParameter(''));
 
 		$qb->execute();
-		$id = $qb->getLastInsertId();
-
-		return (int)$id;
+		return $qb->getLastInsertId();
 	}
 
 	/**

lib/public/AppFramework/Db/QBMapper.php

@@ -136,7 +136,7 @@ abstract class QBMapper {
 
 		if ($entity->id === null) {
 			// When autoincrement is used id is always an int
-			$entity->setId((int)$qb->getLastInsertId());
+			$entity->setId($qb->getLastInsertId());
 		}
 
 		return $entity;