Fix main modal help link prop

[vraja-pro]

Context

Summary

This PR can be summarized in the following changelog entry:

• Fixes the link in the AI generator error modal.

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:

• Enable Premium without subscription.
• Edit a post and click on "Use AI".
• Check you are getting a subscription error.
• Click on the question mark and check you are redirected to the help link https://yoast.com/help/faq-ai-in-yoast-seo with parameters in the url like:
  https://yoast.com/help/faq-ai-in-yoast-seo/#utm_medium=software&utm_source=yoast-seo&utm_term=ai-support&utm_content=support-link&php_version=8.2&platform=wordpress&platform_version=6.8.2&software=premium&software_version=25.6-RC7&days_active=20297&shortlink=ai-generator-help-button-modal
• Enable the subscription or disable premium
• Edit a post
• Click on "use AI"
• Click on the question mark and check you are redirected to the help link https://yoast.com/help/faq-ai-in-yoast-seo with the params as 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.

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 https://github.com/Yoast/plugins-automated-testing/issues/2434

[coveralls]

Pull Request Test Coverage Report for Build c8f3327fc1b260723ccc1b42ae3a392d76f8576d

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 52.562%

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Totals
Change from base Build efad52012a6ae81a0eeaead28da73b10f67ba3ca:	0.0%
Covered Lines:	30935
Relevant Lines:	59662

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💛 - Coveralls

[igorschoester]

CR && AT ✅