Fix issue with create user flowable#491

Author: tijsrademakers

modules/flowable-ui-idm/flowable-ui-idm-logic/src/main/java/org/flowable/app/idm/service/UserServiceImpl.java

@@ -123,7 +123,7 @@ public User createNewUser(String id, String firstName, String lastName, String e
 
         User savedUser = identityService.createUserQuery().userEmail(email).singleResult();
         savedUser.setPassword(password);
-        identityService.updateUserPassword(user);
+        identityService.updateUserPassword(savedUser);
 
         return user;
     }