Nav Redesign: Add "Activate" ability to dev tools promo

[DustyReagan]

Related to https://github.com/Automattic/dotcom-forge/issues/7348

Proposed Changes

Why are these changes being made?

Testing Instructions

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 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-108817

Jetpack Cloud live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-108817&env=jetpack

Automattic for Agencies live (direct link)

https://calypso.live?image=registry.a8c.com/calypso/app:build-108817&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 (~61 bytes removed 📉 [gzipped])

name                   parsed_size           gzip_size
entry-subscriptions         -125 B  (-0.0%)      -40 B  (-0.0%)
entry-login                 -125 B  (-0.0%)      -40 B  (-0.0%)
entry-stepper                -81 B  (-0.0%)      -47 B  (-0.0%)
entry-main                   -81 B  (-0.0%)      -55 B  (-0.0%)
entry-domains-landing        -64 B  (-0.0%)      -26 B  (-0.0%)
entry-browsehappy            -64 B  (-0.0%)      -26 B  (-0.0%)

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

Sections (~6699 bytes added 📈 [gzipped])

name                        parsed_size           gzip_size
dev-tools-promo                +63483 B  (+6.8%)   +18090 B  (+6.2%)
update-design-flow               -317 B  (-0.0%)      -16 B  (-0.0%)
signup                           -256 B  (-0.1%)      -12 B  (-0.0%)
link-in-bio-tld-flow             -256 B  (-0.0%)      -12 B  (-0.0%)
settings-performance             -177 B  (-0.0%)     +108 B  (+0.1%)
devdocs                          -108 B  (-0.1%)      -35 B  (-0.1%)
scan                              -99 B  (-0.0%)      -31 B  (-0.0%)
backup                            -99 B  (-0.0%)      -28 B  (-0.0%)
woocommerce-installation          -64 B  (-0.0%)      -41 B  (-0.0%)
with-theme-assembler-flow         -61 B  (-0.1%)       +1 B  (+0.0%)
update-options-flow               -61 B  (-0.1%)       -1 B  (-0.0%)
trial-wooexpress-flow             -61 B  (-0.1%)       +0 B
site-setup-flow                   -61 B  (-0.1%)       +2 B  (+0.0%)
site-migration-flow               -61 B  (-0.1%)       +1 B  (+0.0%)
migration-signup                  -61 B  (-0.1%)       +1 B  (+0.0%)
marketplace                       -61 B  (-0.0%)      -15 B  (-0.0%)
hosted-site-migration-flow        -61 B  (-0.1%)       +0 B
free-post-setup-flow              -61 B  (-0.1%)       -3 B  (-0.1%)
free-flow                         -61 B  (-0.1%)       +2 B  (+0.0%)
entrepreneur-flow                 -61 B  (-0.1%)       +2 B  (+0.0%)
assembler-first-flow              -61 B  (-0.1%)       +0 B
ai-assembler-flow                 -61 B  (-0.1%)       +1 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 (~1180 bytes removed 📉 [gzipped])

name                                                        parsed_size           gzip_size
async-load-design-blocks                                         -196 B  (-0.0%)    -1088 B  (-0.2%)
async-load-signup-steps-woocommerce-install-confirm               -64 B  (-0.1%)      -41 B  (-0.2%)
async-load-calypso-state-lib-automated-transfer-middleware        -61 B  (-0.2%)       -6 B  (-0.1%)

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.

[DustyReagan]

Closing this PR in favor of #91141