Features in development checkboxes

[nbradbury]

Fixes #21408

This PR resolves an issue with the "Experimental features" tab in debug settings. Prior to this PR, the checkboxes next to the feature name would be hidden until a row was tapped, like this:

This PR changes that list so the checkboxes are always visible, like this:

[dangermattic]

	1 Message
:book:	This PR is still a Draft: some checks will be skipped.

Generated by :no_entry_sign: Danger

[wpmobilebot]

📲 You can test the changes from this Pull Request in Jetpack by scanning the QR code below to install the corresponding build.

	App Name	Jetpack
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr21410-dda2582
	Commit	dda2582bee916142d3469e73be6c31a37aef0df2
	Direct Download	jetpack-prototype-build-pr21410-dda2582.apk

Note: Google Login is not supported on these builds.

[wpmobilebot]

📲 You can test the changes from this Pull Request in WordPress by scanning the QR code below to install the corresponding build.

	App Name	WordPress
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr21410-dda2582
	Commit	dda2582bee916142d3469e73be6c31a37aef0df2
	Direct Download	wordpress-prototype-build-pr21410-dda2582.apk

Note: Google Login is not supported on these builds.

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[nbradbury]

Closing this, as it seems the "unknown" status is on purpose for features in development.