Add FileName or SoundDefinition variant to Sound

[Geheim]

Sound is of type struct or array[SoundDefinition] and SoundDefinition is of type struct or FileName. However, Sound itself is sometimes used as a single SoundDefinition or FileName, e.g.

Code: Select all

data.raw["gui-style"]["default"]["button"]["left_click_sound"] = "__core__/sound/gui-click.ogg"
(or line 743 of data-raw-dump.json)

Related: 117186

[curiosity]

Quite a few of these shortcuts were removed in 2.0, but apparently not enough of them.