Adds alert center redux store

[vraja-pro]

Context

Summary

This PR can be summarized in the following changelog entry:

• Adds alert center to dashboard redux store.

Relevant technical choices:

• I added a method to get the message from the notification object for the paragraphs.

Test instructions

Test instructions for the acceptance test before the PR gets merged

This PR can be acceptance tested by following these steps:

Relevant test scenarios

• Changes should be tested with the browser console open
• Changes should be tested on different posts/pages/taxonomies/custom post types/custom taxonomies
• Changes should be tested on different editors (Default Block/Gutenberg/Classic/Elementor/other)
• Changes should be tested on different browsers
• Changes should be tested on multisite

Test instructions for QA when the code is in the RC

• QA should use the same steps as above.

QA can test this PR by following these steps:

Impact check

This PR affects the following parts of the plugin, which may require extra testing:

UI changes

• This PR changes the UI in the plugin. I have added the 'UI change' label to this PR.

Other environments

• This PR also affects Shopify. I have added a changelog entry starting with [shopify-seo], added test instructions for Shopify and attached the Shopify label to this PR.

Documentation

• I have written documentation for this change. For example, comments in the Relevant technical choices, comments in the code, documentation on Confluence / shared Google Drive / Yoast developer portal, or other.

Quality assurance

• I have tested this code to the best of my abilities.
• During testing, I had activated all plugins that Yoast SEO provides integrations for.
• I have added unit tests to verify the code works as intended.
• If any part of the code is behind a feature flag, my test instructions also cover cases where the feature flag is switched off.
• I have written this PR in accordance with my team's definition of done.
• I have checked that the base branch is correctly set.

Innovation

• No innovation project is applicable for this PR.
• This PR falls under an innovation project. I have attached the innovation label.
• I have added my hours to the WBSO document.

Fixes Add Notifications to Alert center

[coveralls]

Pull Request Test Coverage Report for Build ea19e2657ab8b755d9323d6d2fad96841d4340c1

Details

• 0 of 27 (0.0%) changed or added relevant lines in 3 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+24.8%) to 54.527%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
admin/class-yoast-notification.php	0	2	0.0%
src/helpers/notification-helper.php	0	6	0.0%
packages/js/src/dashboard/store/alert-center.js	0	19	0.0%

Files with Coverage Reduction	New Missed Lines	%
src/helpers/notification-helper.php	1	0.0%

Totals
Change from base Build 59c08c8224780dbe9453b7d08b88f5a4829c573b:	24.8%
Covered Lines:	29534
Relevant Lines:	54451

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💛 - Coveralls