Make score endpoints work in plain permalinks

[leonidasmi]

Context

Summary

This PR can be summarized in the following changelog entry:

• Fixes an unreleased bug where the dashboard widgets wouldnt work when permalinks where set to plain.

Relevant technical choices:

Test instructions

Test instructions for the acceptance test before the PR gets merged

This PR can be acceptance tested by following these steps:

• Confirm that the dashboard widgets work both for seo scores and readability scores
• Confirm that filtering the scores by taxonomy works as expected
• Go to Settings->Permalink, set Plain as your site's permalinks and repeat the test above

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.

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 https://github.com/Yoast/roadmap/issues/535

[coveralls]

Pull Request Test Coverage Report for Build b7f8e039ea56db6f5ed5516a8af8c38a1f274509

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 10 (0.0%) changed or added relevant lines in 2 files are covered.
• 4 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.004%) to 54.162%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
packages/js/src/dashboard/scores/components/scores.js	0	5	0.0%
packages/js/src/dashboard/scores/components/term-filter.js	0	5	0.0%

Files with Coverage Reduction	New Missed Lines	%
packages/js/src/dashboard/scores/components/scores.js	4	0.0%

Totals
Change from base Build 851d976ec099eebb3913b4f92b2c01b10b74db72:	-0.004%
Covered Lines:	29764
Relevant Lines:	55301

---

💛 - Coveralls

[igorschoester]

CR ❓

Nice catch!
Now that I see your code, I'm thinking that can be simplified. Can it? 😇

[igorschoester]

CR && AT ✅

Subdomain site also likes it 👍