Add Newsletter launchpad for /setup/onboarding Newsletter Goal

[candy02058912]

Related to #96384

Proposed Changes

Added Newsletter Goal Launchpad to /home

Why are these changes being made?

• pet6gk-1Po-p2

Testing Instructions

I've only tested on Simple Sites for now

• Sandbox public-api.wordpress.com
• Apply related backend code in 170645-ghe-Automattic/wpcom
• Follow instructions Update onboarding newsletter goal tasks jetpack#41158 (comment) to get the jetpack code into sandbox
• Go to /setup/onboarding?flags=onboarding/newsletter-goal
• Choose "Create a newsletter" goal
• Go through the process and you'll land in /home/:site with the launchpad

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-130757

Jetpack Cloud live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-130757&env=jetpack

Automattic for Agencies live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-130757&env=a8c-for-agencies

[matticbot]

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

App Entrypoints (~8 bytes added 📈 [gzipped])

name           parsed_size           gzip_size
entry-stepper        +42 B  (+0.0%)       +8 B  (+0.0%)

Common code that is always downloaded and parsed every time the app is loaded, no matter which route is used.

Sections (~1721 bytes added 📈 [gzipped])

name                             parsed_size           gzip_size
preview                              +4904 B  (+1.6%)    +1572 B  (+1.7%)
home                                  +160 B  (+0.0%)      +44 B  (+0.0%)
site-setup-wg                         +141 B  (+0.0%)      +62 B  (+0.1%)
onboarding-flow                       +133 B  (+0.5%)      +43 B  (+0.5%)
reader                                 +53 B  (+0.0%)      +18 B  (+0.0%)
plugins                                +53 B  (+0.0%)      +18 B  (+0.0%)
jetpack-cloud-plugin-management        +53 B  (+0.0%)      +18 B  (+0.0%)
subscribers                            +42 B  (+0.0%)      +14 B  (+0.0%)
staging-site                           +42 B  (+0.0%)      +14 B  (+0.0%)
site-tools                             +42 B  (+0.0%)      +14 B  (+0.0%)
site-settings                          +42 B  (+0.0%)      +14 B  (+0.0%)
settings                               +42 B  (+0.0%)      +14 B  (+0.0%)
checkout                               +42 B  (+0.0%)      +14 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.

Async-loaded Components (~29 bytes added 📈 [gzipped])

name                                                parsed_size           gzip_size
async-load-calypso-blocks-jitm-templates-home-task        +53 B  (+0.1%)      +15 B  (+0.1%)
async-load-signup-steps-plans-theme-preselected           +42 B  (+0.0%)      +14 B  (+0.0%)
async-load-signup-steps-plans                             +42 B  (+0.0%)      +14 B  (+0.0%)

React components that are loaded lazily, when a certain part of UI is displayed for the first time.

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.

[p-jackson]

Not a fan of calling it v2, just in case this lives a lot longer than we intend it to, but I get you 😅

Maybe we could call it ...-newsletter-onboarding? Something to do with the fact that it's the newsletter intent from the onboarding flow? Or maybe newsletter-goals?

[autumnfjeld]

Agreed.

[p-jackson]

Do you think we should throw a feature flag around this? It'd allow us to merge this PR then give a link to Autumn et al to show it working?

[matticbot]

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

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

• blaze-dashboard
• notifications

To test WordPress.com changes, run install-plugin.sh $pluginSlug update/launchpad-goal-tasks on your sandbox.

[p-jackson]

Re-tested and lgtm