Revert 22655 revert 22634 check addons subscription only if any addon is activated

[thijsoo]

Context

• Reverts a revert that went into the feature branch. The body of the original PR is copied.
• In Change helpscout beacon behavior #22612 we switched from checking for activated add-ons to activated licenses.
  We want to perform the licenses check only if the user has at least one add-on active, conversely we assume no active licenses.

Summary

This PR can be summarized in the following changelog entry:

• Performs the licenses check needed for the HelpScout Beacon only if the user has at least one add-on active.

Relevant technical choices:

• N/A

Test instructions

Test instructions for the acceptance test before the PR gets merged

This PR can be acceptance tested by following these steps:

• Make sure you have the Log HTTP Requests plugin installed and activated
• Make sure you have a valid Premium or WooCommerce SEO subscription plan
• Install any add-on other than Premium but don't activate it
• Edit the wp_options table with a MySQL client by removing the lines where option_name is _transient_wpseo_site_information or _transient_wpseo_site_information_quick (if any)
• Go to Tools -> Log HTTP Requests
  • Click Refresh and Clear Log if any request has been previously logged
• Go to Yoast SEO -> Support
  • Confirm you get the upsell in the Contact our support team section
• Go to Tools -> Log HTTP Requests
  • Click Refresh and confirm you have no requests to https://my.yoast.com/api/sites/current
• Activate the add-on you have installed
• Go to Yoast SEO -> Support
  • Confirm you don't get the upsell in the Contact our support team section and you can click the Contact our support team button
• Go to Tools -> Log HTTP Requests
  • Click Refresh and confirm you have at least one request to https://my.yoast.com/api/sites/current

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:

• Please perform a regression test on the HelpScout Beacon by repeating the test instructions in Change helpscout beacon behavior #22612
  • Take into account that now, if you have no add-ons active we assume you have no valid subscription, thus you will get the Free HelpScout Beacon behavior even if you actually have a valid subscription

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 #22632

[coveralls]

Pull Request Test Coverage Report for Build 2150fb2e5c3d3b92b3bf75a09700a7ecbca15492

Details

• 2 of 7 (28.57%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-3.7%) to 52.79%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/integrations/admin/helpscout-beacon.php	0	2	0.0%
inc/class-addon-manager.php	0	3	0.0%

Totals
Change from base Build 4699ee5f198098b3e75654dbbfb2e57614087c28:	-3.7%
Covered Lines:	31465
Relevant Lines:	59767

---

💛 - Coveralls