src/vs/workbench/services/extensionManagement/electron-sandbox/remoteExtensionManagementService.ts/NativeRemoteExtensionManagementService/downloadAndInstall
class NativeRemoteExtensionManagementService:	private async downloadAndInstall(extension: IGalleryExtension, installed: ILocalExtension[]): Promise<ILocalExtension> {
		const location = joinPath(this.environmentService.tmpDir, generateUuid());
		await this.galleryService.download(extension, location, installed.filter(i => areSameExtensions(i.identifier, extension.identifier))[0] ? InstallOperation.Update : InstallOperation.Install);
		return super.install(location);
	}