modify: 타입 반영 놓친 부분 수정

Author: ooheunda

src/services/leaderboard.service.ts

@@ -74,7 +74,7 @@ export class LeaderboardService {
 interface RawUserResult {
   id: string;
   email: string | null;
-  username: string | null;
+  username: string;
   total_views: string;
   total_likes: string;
   total_posts: string;

src/types/dto/responses/leaderboardResponse.type.ts

@@ -16,7 +16,6 @@ import { BaseResponseDto } from '@/types/dto/responses/baseResponse.type';
  *           nullable: true
  *         username:
  *           type: string
- *           nullable: true
  *           description: 사용자 이름
  *         totalViews:
  *           type: integer
@@ -40,7 +39,7 @@ import { BaseResponseDto } from '@/types/dto/responses/baseResponse.type';
 interface LeaderboardUser {
   id: string;
   email: string | null;
-  username: string | null;
+  username: string;
   totalViews: number;
   totalLikes: number;
   totalPosts: number;