Fix circular dependency crash: add missing forwardRef (#154)

MonitoringService and LightningWalletService have a circular
dependency. PR #148 added forwardRef only on the MonitoringService
side. The missing forwardRef on LightningWalletService caused
the app to crash on startup (503).

Author: TaprootFreak

src/subdomains/user/application/services/lightning-wallet.service.ts

@@ -1,4 +1,4 @@
-import { Injectable, NotFoundException } from '@nestjs/common';
+import { forwardRef, Inject, Injectable, NotFoundException } from '@nestjs/common';
 import { Config } from 'src/config/config';
 import {
   LnBitsTransactionDto,
@@ -46,6 +46,7 @@ export class LightningWalletService {
   constructor(
     readonly lightningService: LightningService,
     readonly lnbitsWebHookService: LnbitsWebHookService,
+    @Inject(forwardRef(() => MonitoringService))
     private readonly monitoringService: MonitoringService,
     private readonly assetService: AssetService,
     private readonly lightningTransactionService: LightningTransactionService,