Closes #8451 Show Rocket Insights CDN recommendation based on RocketCDN subscription state

[Khadreal]

Description

Modify the RI logic for different RocketCDN state

Fixes #8451

Type of change

• New feature (non-breaking change which adds functionality).
• Bug fix (non-breaking change which fixes an issue).
• Enhancement (non-breaking change which improves an existing functionality).
• Breaking change (fix or feature that would cause existing functionality to not work as before).
• Sub-task of #(issue number)
• Chore
• Release

Detailed scenario

What was tested

• Test with RocketCDN no activated
• Test with RocketCDN free subscription
• Test with RocketCDN pro subscription

How to test

• Check the recommendation when RocketCDN is activated with free subscription
• Check the recommendation when RocketCDN is activated with pro subscription
• Check the recommendation when RocketCDN is not activated

Affected Features & Quality Assurance Scope

Affect RI recommendation sidebar.

Technical description

Documentation

Add new param plugin_rocketcdn_free for rocketcdn.

New dependencies

n/a

Risks

n/a

Mandatory Checklist

Code validation

• I validated all the Acceptance Criteria. If possible, provide screenshots or videos.
• I triggered all changed lines of code at least once without new errors/warnings/notices.
• I implemented built-in tests to cover the new/changed code.

Code style

• I wrote a self-explanatory code about what it does.
• I protected entry points against unexpected inputs.
• I did not introduce unnecessary complexity.
• Output messages (errors, notices, logs) are explicit enough for users to understand the issue and are actionnable.

Unticked items justification

n/a

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

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🟢 Metrics 110 complexity

Metric	Results
Complexity	110

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[jeawhanlee]

I believe this also needs work on the Addons part
CC @wordpressfan

[hanna-meda]

@Khadreal, to have in mind also these 3 points (confirmed by PO in Slack thread):

1. Besides the upgrade-to-Pro copy, we're also seeing "TTFB/LCP improvement 10-40%."
   Expected: We should only see "Speed up your entire site worldwide by delivering content from servers closer to your visitors."
2. The upgrade-to-Pro recommendation is also showing for resellers.
   Expected: Shouldn't be visible for resellers for now.
3. Change the "ACTIVATE" CTA to "UPGRADE" going to the Content Delivery page with the Upsell banner opened.

[Khadreal]

@Khadreal, to have in mind also these 3 points (confirmed by PO in Slack thread):

1. Besides the upgrade-to-Pro copy, we're also seeing "TTFB/LCP improvement 10-40%."
   Expected: We should only see "Speed up your entire site worldwide by delivering content from servers closer to your visitors."
2. The upgrade-to-Pro recommendation is also showing for resellers.
   Expected: Shouldn't be visible for resellers for now.
3. Change the "ACTIVATE" CTA to "UPGRADE" going to the Content Delivery page with the Upsell banner opened.

@DahmaniAdame except number 2, I think the copy can be updated on the performance recommendation backend.

[Mai-Saad]

@Khadreal Thanks for the PR. Please find test notes:

• RI CDN recommendations is displayed while Paid CDN is active
• RI CDN recommendation while free CDN active is same as while no free CDN yet => (related thread to be confirmed by @DahmaniAdame https://group-onecom.slack.com/archives/C08F4LZB2QG/p1786972556486469?thread_ts=1786972159.555149&cid=C08F4LZB2QG)
  Note: as per reply to Slack thread, we need to update this list by what else needs to be done here

[Mai-Saad]

We need to recheck this after refactor

• Test steps needs to be updated
• Brainstorm checklist (ensure it's covered in TP)
  Paid cdn active => no RCDNR
  Paid cdn inactive => CDNR to activate it
  free cdn active => CDNR to upgrade it
  free cdn inactive => CDNR to activate it
  YOcdn while free active => CDNR to upgrade it
  YOCDN while free inactive => CDNR to activate it
  YOCDN active/inactive ===> same as 2 above
  pending deletion free =>
  pending deletion paid =>
  white label don't see upgrade while free on/off
  reseller don't see upgrade while free on/off