Prefix standalone plugins with 'PL' in list table and add plugin row meta link to Performance Lab settings screen

[westonruter]

Summary

See #1046. When the PL plugin is active, this prefixes all installed standalone plugins with PL so that they appear grouped together. A "Performance Lab" plugin row meta link is also added which points to the settings screen.

Performance Lab Deactivated	Performance Lab Activated

Relevant technical choices

The all_plugins filter is employed to loop overall installed plugins, and if any one matches one of the standalone plugin slugs, it prefixes the Name with "PL". After this, the plugins are re-sorted so that the PL plugins appear together.

Also, the plugin row meta is filtered for the standalone plugins so that a "Performance Lab" link is added for the plugin's settings screen.

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Co-authored-by: westonruter <[email protected]>
Co-authored-by: felixarntz <[email protected]>

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[felixarntz]

I'm not a fan of the "PL" prefix. This is as if "Jetpack Boost" was called "JP Boost". When you see one of those plugins, you probably wouldn't know what it means.

Anyway, let's wait for the decision in #1046 before considering a change like this. Potentially we'll want to change the plugin names themselves instead, in which case this wouldn't be relevant.

[westonruter]

"Jetpack" is much shorter than "Performance Lab" so it makes more sense to not abbreviate.

Anyway, this PR is a POC to assist with the discussion of what the possibilities are.

[ThierryA]

"Jetpack" is much shorter than "Performance Lab" so it makes more sense to not abbreviate.

Why would the length be an issue? I would understand how it is less pleasant in the code base, for a plugin name it doesn't really matter. Folks reading the plugin name would not understand what "PL" stands for, kind of against the "don't make me think approach".

We should rename the project to Perf Lab 😂