Integration: 2025.w28

• !3517 (merged) CI: set interface name in UPF container for RFSim5G
• !3501 (merged) Fix automatic SSS detection logic
• !3503 (merged) DLSCH RB extraction: check DMRS bitmap only in DMRS symbols
• !3498 (merged) bugfix: UE AMBR is optional
• !3504 (merged) Improvements to the FHI for enabling further use cases