Unable to set custom domain for SimpleLogin alias via Bitwarden username generator

### Steps To Reproduce

1. Open Bitwarden Android App
2. Click on Generator
3. Choose to generate username
4. Choose SimpleLogin as Service
5. Email domain field is missing

### Expected Result

Email domain field show be present like in the chrome extension

### Actual Result

Email domain field show be present

### Screenshots or Videos

BW android app with "Email Domain" field absent

BW chrome extension with "Email Domain" field present

### Additional Context

No response

### Build Version

2026.4.0

### What server are you connecting to?

US

### Self-host Server Version

_No response_

### Environment Details

**Operating System**
Android 16

**Device**
Samsung Galaxy Fold7

### Issue Tracking Info

- [x] I understand that work is tracked outside of Github. A PR will be linked to this issue should one be opened to address it, but Bitwarden doesn't use fields like "assigned", "milestone", or "project" to track progress.