Fix the screenshot rendering for device emulation tests (new telescope agent feature). Currently it's too tall <img width="3448" height="1730" alt="Image" src="https://github.com/user-attachments/assets/16bd319f-eca5-4e43-bb1f-b33d4f42616a" />
Fix the screenshot rendering for device emulation tests (new telescope agent feature). Currently it's too tall