관리자 관리수정, 에러코드 공통 추가

src/main/java/com/kamco/cd/kamcoback/members/MembersApiController.java

@@ -64,7 +64,7 @@ public class MembersApiController {
       @ApiResponse(responseCode = "500", description = "서버 오류", content = @Content)
     })
   @PatchMapping("/{memberId}/password")
-  public ApiResponseDto<Long> resetPassword(@PathVariable Long memberId, @RequestBody @Valid MembersDto.InitReq initReq) {
+  public ApiResponseDto<String> resetPassword(@PathVariable String memberId, @RequestBody @Valid MembersDto.InitReq initReq) {
     membersService.resetPassword(memberId, initReq);
     return ApiResponseDto.createOK(memberId);
   }