Remove undefined property or method usage
Remove undefined property or method usage

Regression from dd8d415473d7a39ecfcfaec7cea0f4b52466c796

Signed-off-by: Joas Schilling <ab43a7c9cb5b2380afc4ddf8b3e2583169b39a02@schilljs.com>

nextcloud/spreed,nextcloud/spreed,nextcloud/spreed