Domains: Add Transfer domain button to Active domains card in site Overview

[ivan-ottinger]

Related to #100270 (comment).

Proposed Changes

• introduce a new Transfer domain link to the Active domains card:

Why are these changes being made?

This change is first of the updates outlined in #100270 (comment).

Testing Instructions

1. Check out the branch PR and build the app with yarn start (or use the Calypso Live link).
2. Head over to http://calypso.localhost:3000/overview/{site-slug} and scroll down to the Active domains card.
3. There should be a new Transfer domain button that should lead to the flow of transferring a an existing domain from elsewhere to WordPress.com.

Pre-merge Checklist

• Has the general commit checklist been followed? (PCYsg-hS-p2)
• Have you written new tests for your changes?
• Have you tested the feature in Simple (P9HQHe-k8-p2), Atomic (P9HQHe-jW-p2), and self-hosted Jetpack sites (PCYsg-g6b-p2)?
• Have you checked for TypeScript, React or other console errors?
• Have you used memoizing on expensive computations? More info in Memoizing with create-selector and Using memoizing selectors and Our Approach to Data
• Have we added the "[Status] String Freeze" label as soon as any new strings were ready for translation (p4TIVU-5Jq-p2)?
  • For UI changes, have we tested the change in various languages (for example, ES, PT, FR, or DE)? The length of text and words vary significantly between languages.
• For changes affecting Jetpack: Have we added the "[Status] Needs Privacy Updates" label if this pull request changes what data or activity we track or use (p4TIVU-aUh-p2)?

[github-actions]

Calypso Live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-139885

Jetpack Cloud live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-139885&env=jetpack

Automattic for Agencies live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-139885&env=a8c-for-agencies

[matticbot]

This PR modifies the release build for the following Calypso Apps:

For info about this notification, see here: PCYsg-OT6-p2

• notifications
• wpcom-block-editor

To test WordPress.com changes, run install-plugin.sh $pluginSlug add/transfer-domain-button-to-active-domains-card on your sandbox.

[matticbot]

Here is how your PR affects size of JS and CSS bundles shipped to the user's browser:

Sections (~24 bytes added 📈 [gzipped])

Details

name      parsed_size           gzip_size
overview       +218 B  (+0.0%)      +24 B  (+0.0%)

Sections contain code specific for a given set of routes. Is downloaded and parsed only when a particular route is navigated to.

Legend

What is parsed and gzip size?

Parsed Size: Uncompressed size of the JS and CSS files. This much code needs to be parsed and stored in memory.
Gzip Size: Compressed size of the JS and CSS files. This much data needs to be downloaded over network.

Generated by performance advisor bot at iscalypsofastyet.com.

[gcsecsey]

The changes look good to me and work as described. 🚀

The new option is rendered as expected, and clicking it takes me to /domains/add/use-my-domain/:siteId?redirect_to=/overview/:siteId

[ivan-ottinger]

Thank you for your review and testing, Gergely!