Update DefaultSuccessHandler.java

src/main/java/goormthon/team28/startup_valley/security/handler/login/DefaultSuccessHandler.java

@@ -19,7 +19,7 @@
 @Component
 @RequiredArgsConstructor
 public class DefaultSuccessHandler implements AuthenticationSuccessHandler {
-    @Value("${domain.server}")
+    @Value("${server.domain}")
     private String domain;
     private final JwtUtil jwtUtil;
     private final UserRepository userRepository;