Cannot handle different constraint on the same entity if used in different roles

[naphtalene, with different constraints](https://github.com/mabablue/I-ADOPT-examples-playground/blob/main/Chemistry/slvar.ttl) is not possible to visualize

<img width="754" height="612" alt="Image" src="https://github.com/user-attachments/assets/b6730fe3-79dd-46ee-9f8d-e48b943ada8d" />