src/vs/platform/extensionManagement/common/extensionGalleryService.ts/getIconAsset
function getIconAsset(version: IRawGalleryExtensionVersion): IGalleryExtensionAsset {
	const asset = getVersionAsset(version, AssetType.Icon);
	if (asset) {
		return asset;
	}
	const uri = DefaultIconPath;
	return { uri, fallbackUri: uri };
}