chore: [IAI-152] Upgrade OnboardingNavigator to support react-navigation v5

[CrisTofani]

Short description

This PR removes the Compat layer on OnboardingNavigator and children components

How to test

Logout then login and test the onboarding flow (Pin choice, Email Insertion etc.)

[pagopa-github-bot]

Affected stories

• ⚙️ IAI-152: Aggiornare il navigator per l'Onboarding subtask of
  • ⚡ IAI-143: Preparing for react-navigation v6

Generated by :no_entry_sign: dangerJS against f7ae81292058881905790251a7baef192451d272

[codecov[bot]]

Codecov Report

Merging #4122 (f7ae812) into master (d54e6e4) will increase coverage by 0.00%. The diff coverage is 40.00%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4122   +/-   ##
=======================================
  Coverage   47.75%   47.75%           
=======================================
  Files        1263     1263           
  Lines       25005    25007    +2     
  Branches     6546     6546           
=======================================
+ Hits        11942    11943    +1     
- Misses      13013    13014    +1     
  Partials       50       50           

Impacted Files	Coverage Δ
ts/navigation/AppStackNavigator.tsx	47.91% <ø> (ø)
ts/screens/onboarding/FingerprintScreen.tsx	8.33% <0.00%> (ø)
.../onboarding/OnboardingServicesPreferenceScreen.tsx	7.89% <0.00%> (ø)
ts/navigation/OnboardingNavigator.tsx	66.66% <66.66%> (ø)

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