☂️ Main umbrella issue for Wallet 2.0 sections redesign

[simoarpe]

Related to #31922

Description

Main umbrella issue to keep track of the redesign for the new Wallet 2.0.

⚠️ Note: the issue can be closed when all its related issues will be addressed.

• ✅ Redesign Brave Wallet main layout introducing latest material 2 components: Redesign Brave Wallet main layout introducing latest material 2 components #32197
• ✅ Fix toolbar behavior and title not being displayed: Fix toolbar and title not being displayed. #32222
• ✅ Performance optimization: Avoid view pager instance recreation when state changes and improve layouts: [Performance optimization] Avoid view pager instance recreation when state changes and improve layouts. #32256
• ✅ Fix resource not found when inflating HideBottomViewOnScrollBehavior class: Resource not found when inflating HideBottomViewOnScrollBehavior class #32363
• ✅ Redesign Wallet navigation and merge assets and NFTs into a single section: Redesign Wallet navigation and merge assets and NFTs into a single section #32411
• ✅ Tweak UI and add option to show hidden NFTs: Tweak portfolio UI and add option to show hidden NFTs #32545

[simoarpe]

All issues completed. Closing umbrella issue now!

[simoarpe]

Reopening this to add some small tweaks.