Make SwiftUI Home, Home (feature flagged)

[Gio2018]

Goal

• Remove the additional SwiftUI Home tab
• For users with the related feature flag enabled, replace UIKit Home with SwiftUI Home

Test Steps

• Make sure Home feels like Home

[sentry-io]

Suspect Issues

This pull request was deployed and Sentry observed the following issues:

• ‼️ App Hanging Fully Blocked: App hanging for at least 2000 ms. View.banner View Issue
• ‼️ App Hanging Fully Blocked: App hanging for at least 2000 ms. View.environmentObject<T> View Issue
• ‼️ App Hanging Fully Blocked: App hanging for at least 2000 ms. MainView.makeUIKitHome View Issue
• ‼️ App Hanging Fully Blocked: App hanging for at least 2000 ms. ListItem.Constants.Tags.Icon View Issue
• ‼️ App Hanging Fully Blocked: App hanging for at least 2000 ms. HStack<T> View Issue

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