AE Architecture can't be changed to df-udt

When trying to change the architecture in train mode to anything else than liae-udt the window won't accept it and throws an error instead.

<img width="454" height="232" alt="Image" src="https://github.com/user-attachments/assets/77f467a5-32af-4b92-8ac2-6f5baaedfe71" />