chore: fix E2E tests after main stack navigator and startup saga sync

[Vangaorth]

This PR depends on #5420

Short description

This PR fixes the E2E tests, following changes from the stack navigator and startup saga sync.

List of changes proposed in this pull request

• reloadReactNative replaced with launchApp({ newInstance: true}) to prevent bad behaviours
• improved a credit card test by searching for a testId instead of a text
• better system keyboard closing

How to test

Run the E2E tests.

[pagopa-github-bot]

	Warnings
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Generated by 🚫 dangerJS against cbd9fba

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (3e0f184) 47.44% compared to head (cbd9fba) 47.44%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5429      +/-   ##
==========================================
- Coverage   47.44%   47.44%   -0.01%     
==========================================
  Files        1604     1603       -1     
  Lines       33613    33611       -2     
  Branches     8205     8204       -1     
==========================================
- Hits        15949    15948       -1     
+ Misses      17606    17605       -1     
  Partials       58       58              

Files	Coverage Δ
ts/components/wallet/WalletHomeHeader.tsx	17.64% <ø> (ø)
...res/bonus/cgn/components/detail/CgnUnsubscribe.tsx	6.25% <0.00%> (+0.36%)	⬆️

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[dpulls]

🎉 All dependencies have been resolved !

[shadowsheep1]

LGTM