src/vs/platform/extensionManagement/common/extensionManagementCLIService.ts/getId
function getId(manifest: IExtensionManifest, withVersion?: boolean): string {
	if (withVersion) {
		return `${manifest.publisher}.${manifest.name}@${manifest.version}`;
	} else {
		return `${manifest.publisher}.${manifest.name}`;
	}
}