[WAL-54] Fingerprint remaining integration

[JDSM01]

What does this PR do?

Makes the following changes to the already existing fingerprint integration:

• Several code improvements
• Locked rotation on Authentication Activity to avoid a bad UX
• Action points described in ticket

Database changed?

No

Where should the reviewer start?

AuthenticationPromptActivity.kt

How should this be manually tested?

Check the 4 flows that require authentication (iap, entering wallet, remove wallet, disable authentication) with fingerprint Disable device fingerprint and check if you are able to enter the wallet and the fingerprint settings is off and unable to set it on (future task) On a device without fingerprint hardware check if the settings does not appear on settings

What are the relevant tickets?

https://aptoide.atlassian.net/browse/WAL-54

Code Review Checklist

• [ ] Architecture
• [ ] Documentation on public interfaces
• [ ] Database changed?
• [ ] If yes - Database migration?
• [ ] Remove comments & unused code & forgotten testing Logs
• [ ] Codestyle
• [ ] Functional QA tests pass

[franciscoaleixo]

On my device, there's a bug reactivating the fingerprint. Steps to replicate:

• Go to wallet settings and activate the fingerprint setting
• Go to device settings and disable fingerprint setting (wallet settings are now in background)
• Resume to the wallet settings (the setting should be off)
• Now go back to the device settings and enable the fingerprint setting
• Go back again to the wallet settings and you won't be able to enable it. Only after going back to home and going back to settings will you be able to enable it back.