Dashboard: Prevent console warnings when toggling on some Jetpack settings

[coder-karen]

Fixes #40086

Proposed changes:

• isModuleActivated requires a module name, and the way it was being used in order to determine a value for the checked property within ToggleControl, nothing was being passed in. As such, it was returning undefined on any toggle change (I tested with all toggles to confirm). The best option would be to remove it, which is done here.
• This helps prevent a console warning when toggling on some Jetpack settings.

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

#40086

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

No.

Testing instructions:

You may need script debug enabled to see the console warnings: define( 'SCRIPT_DEBUG', true ); in wp-config.php.

To replicate the issue:

• On a test site, open up the Jetpack Settings page. Not all toggles result in the warning, but the Sharing buttons toggle on the Sharing page does: /wp-admin/admin.php?page=jetpack#/sharing.
• Open up the browser console, and enable Sharing buttons via the toggle.
• You should see a console warning related to A component is changing an uncontrolled input to be controlled..

To test the fix:

• Apply this PR, and follow the same steps as above. There should be no warnings in the browser console.

[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/jetpack-settings-react-warning branch.

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

  bin/jetpack-downloader test jetpack fix/jetpack-settings-react-warning
  

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

[github-actions]

Thank you for your PR!

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[darssen]

Changes make sense since isModuleActivated is never actually being passed as a prop and not used properly since it is a function.
It tests good too.
🚢