fix: 포인트 정책 조회 - date가 null인 경우 빈칸으로 표시

src/main/kotlin/kr/co/vividnext/sodalive/admin/point/PointPolicyRepository.kt

@@ -50,15 +50,8 @@ class PointPolicyQueryRepositoryImpl(
 
     private fun getFormattedDate(dateTimePath: DateTimePath<LocalDateTime>): StringTemplate {
         return Expressions.stringTemplate(
-            "DATE_FORMAT({0}, {1})",
-            Expressions.dateTimeTemplate(
-                LocalDateTime::class.java,
-                "CONVERT_TZ({0},{1},{2})",
-                dateTimePath,
-                "UTC",
-                "Asia/Seoul"
-            ),
-            "%Y-%m-%d %H:%i"
+            "COALESCE(DATE_FORMAT(CONVERT_TZ({0}, 'UTC', 'Asia/Seoul'), '%Y-%m-%d %H:%i'), '')",
+            dateTimePath
         )
     }
 }