RuntimeException: SplFileInfo::getSize(): stat failed for /tmp/tmpApaVhe

Beim Aufruf der /draft router wird eine RuntimeException geworfen, das PDF wird aber korrekt ausgeben.
https://sentry.io/swo/izivi/issues/831470162/?referrer=github_plugin

```
RuntimeException: SplFileInfo::getSize(): stat failed for /tmp/tmpApaVhe
  File "public/index.php", line 28
    $app->run();
...
(1 additional frame(s) were not displayed)
```