[BWA-232] Unable to activate "Lock app" in Bitwarden Authenticator

### Steps To Reproduce

1. Go to Settings.
2. Tap "Lock app".

### Expected Result

For "Lock app" to be enabled.

### Actual Result

"Lock app" is not enabled.

### Screenshots or Videos

https://github.com/user-attachments/assets/eb94b805-8a78-4d9e-8598-cda792aeed0f

### Additional Context

I first noticed this issue about a month or two ago. The "Lock app" feature has worked flawlessly for years before this point with a simple pattern lock enabled on my phone.

Things I've tried:
Changing my phone's screen lock.
Deleting cache and storage.
Reinstalling app.
Rebooting phone.

### Build Version

2026.1.1 (1243)

### What server are you connecting to?

EU

### Self-host Server Version

_No response_

### Environment Details

Nothing Phone 2
Nothing OS 4.0
Android 16

### 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.