marketing info 업데이트 API

- pid가 빈칸이면 등록하지 않도록 수정

src/main/kotlin/kr/co/vividnext/sodalive/member/MemberService.kt

@@ -656,7 +656,7 @@ class MemberService(
             member.adid = adid
         }
 
-        if (pid != member.activePid) {
+        if (pid != member.activePid && pid.isNotBlank()) {
             member.activePid = pid
             member.partnerExpirationDatetime = LocalDateTime.now().plusYears(1)
         }