fix: register fcm token on enabling push notification

src/auth/services/device.service.ts

@@ -1,7 +1,6 @@
 import { Injectable } from '@nestjs/common';
 import { Device } from '../entities';
 import { DeviceRepository } from '../repositories';
-
 @Injectable()
 export class DeviceService {
   constructor(private readonly deviceRepository: DeviceRepository) {}