chore: simplify if condition

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

public.php

@@ -89,13 +89,10 @@ try {
 	$baseuri = OC::$WEBROOT . '/public.php/' . $service . '/';
 	require_once $file;
 } catch (Exception $ex) {
-	if ($ex instanceof ServiceUnavailableException && $ex->getCode() === 0) {
-		$status = 503;
-	}
 	if ($ex->getCode() > 0) {
 		$status = $ex->getCode();
 	} else {
-		$status = 500;
+		$status = $ex instanceof ServiceUnavailableException ? 503 : 500;
 	}
 	//show the user a detailed error page
 	Server::get(LoggerInterface::class)->error($ex->getMessage(), ['app' => 'public', 'exception' => $ex]);

remote.php

@@ -58,13 +58,10 @@ function handleException(Exception|Error $e): void {
 				// we shall not log on RemoteException
 				\OCP\Server::get(ITemplateManager::class)->printErrorPage($e->getMessage(), '', $e->getCode());
 			} else {
-				if ($e instanceof ServiceUnavailableException && $e->getCode() === 0) {
-					$status = 503;
-				}
 				if ($e->getCode() > 0) {
 					$status = $e->getCode();
 				} else {
-					$status = 500;
+					$status = $e instanceof ServiceUnavailableException ? 503 : 500;
 				}
 				\OCP\Server::get(LoggerInterface::class)->error($e->getMessage(), ['app' => 'remote','exception' => $e]);
 				\OCP\Server::get(ITemplateManager::class)->printExceptionErrorPage($e, $status);