src/vs/platform/extensionManagement/node/extensionsWatcher.ts/ExtensionsWatcher/onDidInstallExtensions
class ExtensionsWatcher:	private onDidInstallExtensions(results: readonly InstallExtensionResult[]): void {
		for (const e of results) {
			this.removeInstallingExtension(e.identifier);
			if (e.local) {
				this.addInstalledExtension(e.identifier);
			}
		}
	}