src/vs/server/node/remoteFileSystemProviderServer.ts/SessionFileWatcher/getExtraExcludes
class SessionFileWatcher:	protected override getExtraExcludes(environmentService: IServerEnvironmentService): string[] | undefined {
		if (environmentService.extensionsPath) {
			// when opening the $HOME folder, we end up watching the extension folder
			// so simply exclude watching the extensions folder
			return [posix.join(environmentService.extensionsPath, '**')];
		}

		return undefined;
	}