Facing issue while creating screenshot of a JointJS HTML designer. Getting black areas while creating screenshot. Element whose screenshot needs to be taken <img width="1388" height="1298" alt="Image" src="https://github.com/user-attachments/assets/deb22bf1-9274-48ae-b845-ba52d7b1520b" /> Corresponding screenshot with black lines <img width="623" height="750" alt="Image" src="https://github.com/user-attachments/assets/ffbf7d4c-44a4-4ec1-9bb2-40cc87240626" />