failed to open android app from browser link

### Steps to reproduce

Transfer from https://github.com/element-hq/element-web/issues/30237

### Steps to reproduce

- on https://matrix.to/#/#element-android:matrix.org
- the link element://room/%23element-android%3Amatrix.org?via=matrix.org
- does nothing for me, despite having element installed

Firefox,
140.0 (Build #2016097287), null
GV: 140.0-20250616215311
AS: 140.0

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I sent logs, but they'll be linked to https://github.com/element-hq/element-web/issues/30237

### Outcome

#### What did you expect?

To open the app

#### What happened instead?

Nothing happened

### Your phone model

Fairphone 3

### Operating system version

Android 13, 6.A.035.2

### Application version and app store

Version 25.06.2 Installed from F-droid

### Homeserver

matrix.org

### Will you send logs?

Yes

### Are you willing to provide a PR?

No