refactor: streamline constructor syntax in Internal, Stats, and Xray controllers

- Simplified constructor definitions by removing redundant assignments in InternalController, StatsController, and XrayController

Author: kastov

src/modules/internal/internal.controller.ts

@@ -1,20 +1,20 @@
 import { Controller, Get, UseFilters, UseGuards } from '@nestjs/common';
 
+import { PortGuard } from '@common/guards/request-port-guard/request-port.guard';
+import { HttpExceptionFilter } from '@common/exception/httpException.filter';
+import { OnPort } from '@common/decorators/port/port.decorator';
 import {
     XRAY_INTERNAL_API_CONTROLLER,
     XRAY_INTERNAL_API_PATH,
     XRAY_INTERNAL_API_PORT,
 } from '@libs/contracts/constants';
-import { PortGuard } from '@common/guards/request-port-guard/request-port.guard';
-import { HttpExceptionFilter } from '@common/exception/httpException.filter';
-import { OnPort } from '@common/decorators/port/port.decorator';
 
 import { InternalService } from './internal.service';
 
-@Controller(XRAY_INTERNAL_API_CONTROLLER)
 @OnPort(XRAY_INTERNAL_API_PORT)
 @UseFilters(HttpExceptionFilter)
 @UseGuards(PortGuard)
+@Controller(XRAY_INTERNAL_API_CONTROLLER)
 export class InternalController {
     constructor(private readonly internalService: InternalService) {}
 

src/modules/stats/stats.controller.ts

@@ -26,9 +26,7 @@ import { StatsService } from './stats.service';
 @UseGuards(JwtDefaultGuard)
 @Controller(STATS_CONTROLLER)
 export class StatsController {
-    constructor(private readonly statsService: StatsService) {
-        this.statsService = statsService;
-    }
+    constructor(private readonly statsService: StatsService) {}
 
     @Post(STATS_ROUTES.GET_USER_ONLINE_STATUS)
     public async getUserOnlineStatus(

src/modules/xray-core/xray.controller.ts

@@ -20,9 +20,7 @@ import { XrayService } from './xray.service';
 export class XrayController {
     private readonly logger = new Logger(XrayController.name);
 
-    constructor(private readonly xrayService: XrayService) {
-        this.xrayService = xrayService;
-    }
+    constructor(private readonly xrayService: XrayService) {}
 
     @Post(XRAY_ROUTES.START)
     public async startXray(