[BUG] Transcript Fragment can be accessed despite no phone call being available

[hunnihundert]

🐛 Describe the bug

The transcript fragment can still be accessed despite no available phone call

⚠️ Current behavior

The transcript fragment can be opened, and infos can be put in (but the request cannot be submitted)

✅ Expected behavior

The fragment should show that currently there is no phone call available for transcription

💣 Steps to reproduce

I can help > transcripe a phone call