Add Easter closure notices for Chat and Quick Start

[mattwondra]

Changes proposed in this Pull Request

Shows Easter closure notices in Live Chat and Quick Start.

Testing instructions

Go to http://calypso.localhost:3000/help/contact:

• The existing "Limited chat availability" notice should show
• Set your computer's clock to April 12 at 0:00 UTC — the "Live chat will be closed for Easter" notice should show
• Set your computer's clock to April 12 at 6:00 UTC — the "Live chat closed for Easter" notice should show
• Set your computer's clock to April 13 at 6:00 UTC — the "Limited chat availability" notice should be back up

Go to http://calypso.localhost:3000/me/concierge and pick a site:

• The "Note: Quick Start sessions will be closed for Easter..." notice should show
• Set your computer's clock to April 12 at 6:00 UTC — the "Note: Quick Start sessions are closed for Easter..." notice should show
• Set your computer's clock to April 13 at 6:00 UTC — the notices should be gone

Fixes 783-gh-hg 784-gh-hg

[matticbot]

Test live: https://calypso.live/?branch=update/add-easter-closure-notices

[matticbot]

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

Webpack Runtime (~66 bytes added 📈 [gzipped])

name      parsed_size           gzip_size
manifest       +621 B  (+0.4%)      +66 B  (+0.2%)

Webpack runtime for loading modules. It is included in the HTML page as an inline script. Is downloaded and parsed every time the app is loaded.

App Entrypoints (~13 bytes added 📈 [gzipped])

name        parsed_size           gzip_size
entry-main       +120 B  (+0.0%)      +13 B  (+0.0%)

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

Sections (~1825 bytes added 📈 [gzipped])

name       parsed_size           gzip_size
help           +2067 B  (+0.4%)    +1097 B  (+0.9%)
concierge      +1335 B  (+0.5%)     +728 B  (+1.0%)

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 (~1104 bytes added 📈 [gzipped])

name                                   parsed_size           gzip_size
async-load-blocks-inline-help-popover      +2067 B  (+0.9%)    +1097 B  (+1.9%)
async-load-blocks-inline-help               +120 B  (+0.2%)       +7 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.

[a8ci18n]

ℹ️ String reuse speeds up translation and improves consistency. The following string might make a good alternative and has already been translated 145 times:
translate( 'Easter' ) ES Score: 17

ℹ️ This string already exists without a context. Only add a context if the meaning of the string is very specific.

[a8ci18n]

This Pull Request is now available for translation here: https://translate.wordpress.com/deliverables/3203778

Hi @mattwondra, could you please edit the description of this PR and add a screenshot for our translators? Ideally it'd include this string: Easter

Thank you in advance!

[a8ci18n]

Translation for this Pull Request has now been finished.