Describe the bug

It looks like this in ruffle latest nightly:

Expected behavior

In flash player standalone:

Content Location

Code and swf file available in:
https://github.com/xrtxn/ruffle_bug_report

Affected platform

Desktop app

Operating system

Artix linux

Browser

No response

Additional information

For some reason in the game it looks like this, with a black background, but this may be because of a sideeffect.