No preview for JPEG XL photos/pictures

### Steps to reproduce

1. Drag and drop jxl file with photo to Element DM chat
2. Observe that Element client attach JPEG XL photo as non picture/photo attachment (like regular non-photo file)
3. Observe there is no picture/photo preview displayed in the chat like for other picture formats like jpeg

Note: There is no such issue on iOS mobile app.

### Outcome

#### What did you expect?
That jxl file will be treated the same as jpg file, meaning the photo preview will be displayed in the chat.
#### What happened instead?
The JPEG XL (jxl) file is attached as other non-photo regular files

### Operating system

MacOS Sequoia 15.0

### Application version

1.11.78

### How did you install the app?

_No response_

### Homeserver

Synapse

### Will you send logs?

No