[fix] 매칭중 매칭포지션 수정

backend/src/main/java/com/coffee/backend/domain/match/dto/IsMatchingDto.java

@@ -10,7 +10,7 @@
 public class IsMatchingDto {
     private String matchId;
     private String isMatching;
-    private Long partner;
+    private String matchPosition;
     private SenderInfoDto senderInfo;
     private ReceiverInfoDto receiverInfo;
 }

backend/src/main/java/com/coffee/backend/domain/match/service/MatchService.java

@@ -414,18 +414,20 @@ public IsMatchingDto isMatching(Long userId) {
         User receiver = userRepository.findByUserId(receiverId).orElseThrow();
 
         SenderInfoDto senderInfo = mapper.map(sender, SenderInfoDto.class);
+        senderInfo.setSenderId(senderId);
         senderInfo.setCompany(customMapper.toCompanyDto(sender.getCompany()));
         ReceiverInfoDto receiverInfo = mapper.map(receiver, ReceiverInfoDto.class);
+        receiverInfo.setReceiverId(receiverId);
         receiverInfo.setCompany(customMapper.toCompanyDto(receiver.getCompany()));
 
         IsMatchingDto response = mapper.map(isMatchingInfo, IsMatchingDto.class);
         response.setSenderInfo(senderInfo);
         response.setReceiverInfo(receiverInfo);
 
         if (userId.equals(senderId)) {
-            response.setPartner(receiverId);
+            response.setMatchPosition("sender");
         } else if (userId.equals(receiverId)) {
-            response.setPartner(senderId);
+            response.setMatchPosition("receiver");
         }
         return response;
     }

backend/src/main/java/com/coffee/backend/domain/user/dto/SenderInfoDto.java

@@ -7,7 +7,7 @@
 @Getter
 @Setter
 public class SenderInfoDto {
-    private Long userId;
+    private Long senderId;
     private String nickname;
     private CompanyDto company;
     private String position;