User ID can be bigger than int4 type values

**Error:**

```bash
type: 'AllRpcExceptionsFilter',
  exception: QueryFailedError: value "7626558989" is out of range for type integer
```

**Reason:**

<img width="830" height="212" alt="Image" src="https://github.com/user-attachments/assets/4e45e81a-cdee-4d70-a731-c52374aad03a" />

**ToDo:**

The `userId` column type needs to be changed in all tables as many users will not be able to use Xen.