Self-image in portrait despite device landscape rotation

### Steps to reproduce

1. Enable device rotation on Android;
2. Start a video call in landscape orientation, or rotate device to landscape after call is connected;

### Outcome

#### What did you expect?

I expected the in-picture display of my own camera to rotate to landscape …

#### What happened instead?

… but it stayed at portrait, thus cutting off part of the image. Here is a screenshot of the device in landscape mode, showing the portrait self-image:


### Your phone model

OnePlus 5T

### Operating system version

LineageOS 18.1

### Application version and app store

1.3.7 [40103070] from F-Droid

### Homeserver

matrix.madduck.net

### Will you send logs?

No