[FIX] 협업 초기 인원을 2명 이상 등록하는 경우 오류 수정 (#226)

src/main/java/com/brainpix/post/converter/GetCollaborationHubDetailDtoConverter.java

@@ -97,7 +97,6 @@ public static GetCollaborationHubDetailDto.OpenMember toOpenMember(CollectionGat
 			.userId(collectionGathering.getJoiner().getId())
 			.name(collectionGathering.getJoiner().getNickName())
 			.domain(collectionGathering.getCollaborationRecruitment().getDomain())
-			.openMyProfile(collectionGathering.getOpenProfile())
 			.build();
 	}
 }

src/main/java/com/brainpix/post/dto/GetCollaborationHubDetailDto.java

@@ -65,6 +65,5 @@ public static class OpenMember {
 		private Long userId;    // 유저 식별자 값
 		private String name;    // 유저 이름
 		private String domain;    // 유저 역할
-		private Boolean openMyProfile;    // 포트폴리오 불러오기 여부
 	}
 }

src/main/java/com/brainpix/post/service/CollaborationHubInitialMemberService.java

@@ -45,13 +45,12 @@ public void createInitialMembers(CollaborationHub collaborationHub,
 			CollaborationRecruitment recruitment = createInitialMemberConverter.convertToInitialMember(
 				collaborationHub, initialMemberDto);
 
+			recruitmentRepository.save(recruitment);
+
 			initialCollectionGatheringService.CreateInitialGathering(joiner, recruitment);
 
 			initialMembers.add(recruitment);
 		}
-
-		recruitmentRepository.saveAll(initialMembers);
-
 	}
 
 	//개최 인원 아이디 검증