another attempt

apps/data-service/src/services/proxy.service.ts

@@ -240,7 +240,11 @@ export class ProxyService {
       for (const proxy of proxies) {
         const key = this.getProxyKey(proxy);
         const data: ProxyData = {
-          ...proxy,
+          protocol: proxy.protocol,
+          host: proxy.host,
+          port: proxy.port,
+          username: proxy.username,
+          password: proxy.password,
           addedAt: new Date(),
           lastChecked: null,
           isWorking: null,