fix(recruit-board): 모집글 응답 DTO 수정

 - locationId가 null로 반환되는 오류 해결

Author: leebs0521

src/main/java/com/somemore/domains/recruitboard/dto/response/RecruitBoardResponseDto.java

@@ -54,6 +54,7 @@ public static RecruitBoardResponseDto from(RecruitBoard board) {
         return RecruitBoardResponseDto.builder()
                 .id(board.getId())
                 .centerId(board.getCenterId())
+                .locationId(board.getLocationId())
                 .createdAt(board.getCreatedAt())
                 .updatedAt(board.getUpdatedAt())
                 .title(board.getTitle())