Merge V3 `@salesforce/retail-react-app` Features/Changes

[bendvc]

Description

This is a "long-lived" branch encapsulating all the changes and features we are adding to the next version (v3.0.0) of @salesforce/retail-react-app.

Rules 📏

1. Please keep track of any PRs merged into this branch so we have a single place to see a summary of changes and feature additions. This is also helpful when creating release docs and change logs.
2. Before cutting and merging your PRs from and into this branch, please ensure this branch is up-to-date with develop. (This will save time for everyone 🙏🏻)
3. Before merging this this PR into develop lets double check that all the change logs and documentation is complete.

PRs/Features/Changes Made

1. #1656

How to Test-Drive This PR

• (step1)

Checklists

General

• [ ] Changes are covered by test cases
• [ ] CHANGELOG.md updated with a short description of changes (not required for documentation updates)

Accessibility Compliance

You must check off all items in one of the follow two lists:

• [ ] There are no changes to UI

or...

• [ ] Changes were tested with a Screen Reader (iOS VoiceOver or Android Talkback) and had no issues
• [ ] Changes comply with WCAG 2.0 guidelines levels A and AA
• [ ] Changes to common UI patterns and interactions comply with WAI-ARIA best practices

Localization

• [ ] Changes include a UI text update in the Retail React App (which requires translation)