safety issue fixed

backend/src/main/java/hu/pazmany/NoteStoreService.java

@@ -19,13 +19,9 @@ public class NoteStoreService {
     public UserLoginDto authenticate(String username, String password) {
         User user = userRepository.findByUsername(username);
         UserLoginDto userLoginDto = new UserLoginDto();
-        userLoginDto.setUsername("Usernamen't");
-        userLoginDto.setPassword("Passwordn't");
         userLoginDto.setFullName("Fullnamen't");
         userLoginDto.setLoggedIn(false);
         if (user != null && user.getPassword().equals(password)) {
-            userLoginDto.setUsername(user.getUsername());
-            userLoginDto.setPassword(user.getPassword());
             userLoginDto.setFullName(user.getFullName());
             userLoginDto.setLoggedIn(!user.isLoggedIn());
             user.setLoggedIn(!user.isLoggedIn());