fixup! fix: Apply checks on shares in the middleware

Signed-off-by: Max <max@nextcloud.com>

lib/Middleware/SessionMiddleware.php

@@ -147,7 +147,7 @@ private function assertUserOrShareToken(ISessionAwareController $controller): vo
 				}
 			}
 
-			if (!($share->getPermissions() & Constants::PERMISSION_READ)) {
+			if ($share->getPermissions() & Constants::PERMISSION_READ !== Constants::PERMISSION_READ) {
 				throw new InvalidSessionException();
 			}