[FIX] Unwanted clear keychain and request challenges

[diegolmello]

Proposed changes

• Fixes the completion of some request challenges. They were return null, and by doing so, the request would not complete. That's the symptom seen on Log in bug: Having to uninstall app on IOS #4431
• Removes an unnecessary clear keychain on MMKV patch

Issue(s)

• Depends on [FIX] Request challenges react-native#5
• Possibly fixes Log in bug: Having to uninstall app on IOS #4431

How to test or reproduce

• As described on Log in bug: Having to uninstall app on IOS #4431, but the infinite loading can be reproduced by running the flow below on Maestro
  • You'll notice the request challenges are fixed (no more infinite loading), but MMKV isn't persisted anymore
  • I didn't want to add a workaround for the clear keychain, since the keychain being cleared is the real issue
• SSL Client Certificate
• Secured Push Notification
• Login with SSO

appId: chat.rocket.reactnative
---
- launchApp:
    clearKeychain: true
- tapOn: 'Join our open workspace'

Screenshots

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• Improvement (non-breaking change which improves a current function)
• New feature (non-breaking change which adds functionality)
• Documentation update (if none of the other choices apply)

Checklist

• I have read the CONTRIBUTING doc
• I have signed the CLA
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if applicable)
• I have added necessary documentation (if applicable)
• Any dependent changes have been merged and published in downstream modules

Further comments

NATIVE-236