Downloading additional level info on levels older than 2.1 breaks.

![image](https://user-images.githubusercontent.com/81181783/176992437-ce51bcac-8645-4217-b02c-965bc18d6453.png)

Tested on `Firefox 102.0`, `Chrome 103.0.5060.66`, `Brave 1.40.109`, localhost and [replit](https://gdbrowser.nadwey.repl.co/13519?download)

Console:
```
Uncaught ReferenceError: EDITORTIME is not defined
    at 8320596?download:227:26
```