src/vs/editor/common/config/editorOptions.ts/EditorFontVariations/compute
class EditorFontVariations:	public override compute(env: IEnvironmentalOptions, options: IComputedEditorOptions, value: string): string {
		// The value is computed from the fontWeight if it is true.
		// So take the result from env.fontInfo
		return env.fontInfo.fontVariationSettings;
	}