크리에이터 관리자 - 시그니처 관리 페이지

- sortType을 필수 parameter에서 제거

src/main/kotlin/kr/co/vividnext/sodalive/creator/admin/signature/CreatorAdminSignatureController.kt

@@ -22,12 +22,18 @@ class CreatorAdminSignatureController(private val service: CreatorAdminSignature
     @GetMapping
     fun getSignatureCanList(
         pageable: Pageable,
-        @RequestParam("sort-type", required = false) sortType: SignatureCanSortType = SignatureCanSortType.NEWEST,
+        @RequestParam("sort-type", required = false) sortType: SignatureCanSortType?,
         @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
     ) = run {
         if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
 
-        ApiResponse.ok(data = service.getSignatureList(pageable, sortType, memberId = member.id!!))
+        ApiResponse.ok(
+            data = service.getSignatureList(
+                pageable,
+                sortType ?: SignatureCanSortType.NEWEST,
+                memberId = member.id!!
+            )
+        )
     }
 
     @PostMapping