🩹 refactor : currentUserCount 응답 위치 변경

* 🩹 currentUserCount 응답 위치 변경

* chore: Java 스타일 수정

* 🐛 RoomServiceTests 변경 적용

* chore: Java 스타일 수정

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Co-authored-by: github-actions <>

Author: sehee123

backend/src/main/java/io/f1/backend/domain/game/dto/response/PlayerListResponse.java

@@ -2,4 +2,4 @@
 
 import java.util.List;
 
-public record PlayerListResponse(String host, List<PlayerResponse> players) {}
+public record PlayerListResponse(String host, List<PlayerResponse> players, int currentUserCount) {}

backend/src/main/java/io/f1/backend/domain/game/dto/response/RoomSettingResponse.java

@@ -1,4 +1,3 @@
 package io.f1.backend.domain.game.dto.response;
 
-public record RoomSettingResponse(
-        String roomName, int maxUserCount, int currentUserCount, boolean locked) {}
+public record RoomSettingResponse(String roomName, int maxUserCount, boolean locked) {}

backend/src/main/java/io/f1/backend/domain/game/mapper/RoomMapper.java

@@ -48,7 +48,6 @@ public static RoomSettingResponse toRoomSettingResponse(Room room) {
         return new RoomSettingResponse(
                 room.getRoomSetting().roomName(),
                 room.getRoomSetting().maxUserCount(),
-                room.getPlayerSessionMap().size(),
                 room.getRoomSetting().locked());
     }
 
@@ -63,7 +62,8 @@ public static PlayerListResponse toPlayerListResponse(Room room) {
                         .map(player -> new PlayerResponse(player.getNickname(), player.isReady()))
                         .toList();
 
-        return new PlayerListResponse(room.getHost().getNickname(), playerResponseList);
+        return new PlayerListResponse(
+                room.getHost().getNickname(), playerResponseList, playerResponseList.size());
     }
 
     public static RoomResponse toRoomResponse(Room room, Quiz quiz) {