style(messages): reformat import statements in MessagesService

backend/src/messages/messages.service.ts

@@ -1,4 +1,9 @@
-import { ForbiddenException, forwardRef, Inject, Injectable } from "@nestjs/common";
+import {
+	ForbiddenException,
+	forwardRef,
+	Inject,
+	Injectable,
+} from "@nestjs/common";
 import { EventsGateway } from "../realtime/events.gateway";
 import { UsersService } from "../users/users.service";
 import type { CreateMessageDto } from "./dto/create-message.dto";