chore(Cross): [IOAPPX-394] Replace GradientScrollView with IOScrollView in the Wallet home screen

[dmnplb]

Short description

This PR replaces the legacy GradientScrollView with the new IOScrollView in the Wallet home screen. This change slightly improves the scrolling behaviour and adds support for dark mode.

Preview (with debug mode enabled for demo purposes)

Before	After
gradient-scrollview-debugmode.mp4	ioscrollview-debugmode.mp4

How to test

Go to the Wallet home screen with dark mode enabled

[pagopa-github-bot]

Affected stories

• ⚙️ IOAPPX-394: [Wallet] Sostituzione di GradientScrollView con IOScrollView
  subtask of
  • ⚡ IOAPPX-32: Design System

Generated by 🚫 dangerJS against 4ae045e

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.10%. Comparing base (4f204b4) to head (4ae045e).
Report is 595 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6279      +/-   ##
==========================================
- Coverage   48.42%   47.10%   -1.33%     
==========================================
  Files        1488     1797     +309     
  Lines       31617    36330    +4713     
  Branches     7669     8607     +938     
==========================================
+ Hits        15311    17113    +1802     
- Misses      16238    19160    +2922     
+ Partials       68       57      -11     

Files with missing lines	Coverage Δ
ts/features/newWallet/screens/WalletHomeScreen.tsx	87.50% <ø> (+3.28%)	⬆️

... and 1413 files with indirect coverage changes

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[Hantex9]

LGTM!