boopboy

Fix other `-pixel` musicSuffixes not using RetroCameraFade

2

## Description The special retro fade-out/fade-in for pixel Game Overs only happens for `bf-pixel` because `musicSuffix` has to be exactly equal to '`-pixel`', which other characters, like say, `pico-pixel`, can't...

Bug Report: Conflicts and weird interactions with opponents overriding themes

1

### Issue Checklist - [x] I have read the [Contributing Guide](https://github.com/FunkinCrew/Funkin/blob/main/docs/CONTRIBUTING.md) - [x] I have checked the Issues/Discussions pages to see if my issue has already been reported - [x]...