Likes block: allow hiding avatars

[simison]

Related to https://github.com/Automattic/jetpack/pull/40276

Depends on D165404-code

Proposed changes:

• Add ability to hide avatars in Likes block

This is backawards compatible as old blocks won't have setting, and in Gutenberg "default" value means no attribute is stored in block markup. Hence no deprecation transforms needed.

Other information:

• [ ] Have you written new tests for your changes, if applicable?
• [ ] Have you checked the E2E test CI results, and verified that your changes do not break them?
• [ ] Have you tested your changes on WordPress.com, if applicable (if so, you'll see a generated comment below with a script to run)?

Jetpack product discussion

Does this pull request change what data or activity we track or use?

Testing instructions:

• Apply diff
• Add block to a page
• Disable avatar setting
• Avatars should be gone in editor and the site

[github-actions[bot]]

Thank you for your PR!

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[github-actions[bot]]

Are you an Automattician? Please test your changes on all WordPress.com environments to help mitigate accidental explosions.

• To test on WoA, go to the Plugins menu on a WordPress.com Simple site. Click on the "Upload" button and follow the upgrade flow to be able to upload, install, and activate the Jetpack Beta plugin. Once the plugin is active, go to Jetpack > Jetpack Beta, select your plugin, and enable the update/likes-hide-avatars branch.

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[georgestephanis]

This is also contingent on the upstream phab diff D165404 merging to wpcom.

[coder-karen]

I feel I'm missing a step testing-wise for Jetpack self-hosted sites. I've got a sandboxed JN site, applied the diff, also added widgets.wp.com to my hosts file.

I can 'like' the post / page via the like block and see no avatar (yet it shows as liked). However the toggle state in the editor won't change, though the initial toggle click (followed by pressing save) does allow me to see my avatar when clicking like on the front-end now.

[simison]

However the toggle state in the editor won't change

I'm having the same issue, and I don't get what's missing. 🤔 My local Jetpack isn't working now so having a bit hard time to develop, but I'll get this going and can ping when it's no longer in progress.