MU WPCOM: Remove admin bar launch button from greylisted sites

[ellatrix]

See #41240.

Proposed changes:

• Restores some conditions that were not ported over from 170225-ghe-Automattic/wpcom#diff-1a7c9396da8a9fbb23f64a8d37623bccc23a502769c14f0fb7636c4b1f435831

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:

• Go to wordpress.com's wp-admin and check that there is no launch button.

[github-actions]

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Mu Wpcom plugin:

• Next scheduled release: WordPress.com Simple releases happen semi-continuously (PCYsg-Jjm-p2).

If you have any questions about the release process, please ask in the #jetpack-releases channel on Slack.

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Wpcomsh plugin:

• Next scheduled release: Atomic deploys happen twice daily on weekdays (p9o2xV-2EN-p2).

If you have any questions about the release process, please ask in the #jetpack-releases channel on Slack.

[github-actions]

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 fix/launch-button-wpcom branch.

  • For jetpack-mu-wpcom changes, also add define( 'JETPACK_MU_WPCOM_LOAD_VIA_BETA_PLUGIN', true ); to your wp-config.php file.

• To test on Simple, run the following command on your sandbox:

  bin/jetpack-downloader test jetpack-mu-wpcom-plugin fix/launch-button-wpcom
  

Interested in more tips and information?

• In your local development environment, use the jetpack rsync command to sync your changes to a WoA dev blog.
• Read more about our development workflow here: PCYsg-eg0-p2
• Figure out when your changes will be shipped to customers here: PCYsg-eg5-p2

[ellatrix]

Check the removed code in wpcom_should_show_launch_banner in
170225-ghe-Automattic/wpcom#diff-1a7c9396da8a9fbb23f64a8d37623bccc23a502769c14f0fb7636c4b1f435831

[youknowriad]

My understanding is that this shouldn't be needed because of the next check current_user_can( 'manage_options' )

[ellatrix]

Oh, ok! I'll check the fn

[youknowriad]

Unrelated to this PR but I noticed that this appears in wp.com's dashboard too.