MOSU refactor: update lunch option text to "도시락 X"

Author: wlgns12370

src/main/java/life/mosu/mosuserver/application/examapplication/ExamApplicationService.java

@@ -153,7 +153,7 @@ public ExamApplicationInfoResponse getApplication(Long userId, Long examApplicat
                 examApplicationInfo.schoolName(),
                 AddressResponse.from(examApplicationInfo.address()),
                 subjects,
-                examApplicationInfo.isLunchChecked() ? examApplicationInfo.lunchName() : "신청 안 함",
+                examApplicationInfo.isLunchChecked() ? examApplicationInfo.lunchName() : "도시락 X",
                 paymentAmount,
                 discountAmount,
                 examApplicationInfo.paymentMethod().getName()

src/main/java/life/mosu/mosuserver/domain/application/entity/Lunch.java

@@ -9,7 +9,7 @@
 @Getter
 @RequiredArgsConstructor
 public enum Lunch {
-    NONE("선택 안 함"),
+    NONE("도시락 X"),
     OPTION1("도시락 A"),
     OPTION2("도시락 B"),
     OPTION3("비건 도시락"),