2FA login issues on Chrome mobile

### Steps To Reproduce

1. Open vault.bitwarden.com on your Android phone
2. Log in using username/pass
3. Be presented with the 2FA page
4. Open native phone dialog for 2FA automatically
5. Touch the phone back with your [Yubikey NFC Fido U2F key](https://www.amazon.com/Yubico-Security-USB-Factor-Authentication/dp/B07M8YBWQZ)
6. See error and go to step 2 again and start over

### Expected Result

To be logged in

### Actual Result

Can't log in
```
An error has occurred.
WebAuth Error: NotAllowedError: The operation either timed out or was not allowed. See:
https://www.w3.org/TR/webauthn-2/#sctn-privacy-considerations-client.
```

### Screenshots or Videos


https://user-images.githubusercontent.com/717076/138600303-2686173d-a6cd-4d64-84c5-86ecdbbc8f32.mp4

### Additional Context

Pixel 4a Android 12
Tried on Chrome and also on Firefox

### Operating System

Android

### Operating System Version

12

### Web Browser

Chrome, Firefox

### Browser Version

95.0.4638.50

### Build Version

Android 12; Pixel 4a Build/SP1A.210812.015

Reproduce the 2FA flow at vault.bitwarden.com on a Pixel 4a running Android 12 with Chrome or Firefox and a YubiKey NFC FIDO U2F key. Start by investigating the reported WebAuthn NotAllowedError; done means completing login successfully through the 2FA prompt without restarting.

Written by the indexing model from the issue text.