[4.0] Replace "label" classes with the new "badge" ones

[htmgarcia]

Pull Request for Issue # .

Summary of Changes

Replace "label" classes (not available in Bootstrap 4) with the new "badge" ones in frontend and backend

Testing Instructions

You can test in several places.
As example. Preview single articles that include tags in frontend

Expected result

The tags should have styling (color, background, etc) (with "badge" classes)

Actual result

The tags looks like regular links (with "label" classes)

Documentation Changes Required

Replacing the "label" classes with "badge" ones. That summarize this PR.

[htmgarcia]

@brianteeman @wilsonge may we merge this one, pretty please?

[brianteeman]

@htmgarcia it can't be merged until it passes all the tests

it still has zero user tests

[htmgarcia]

@brianteeman #20328 (comment)

[brianteeman]

tests are reset when the code changes which you did when you resolved the conflicts

[Quy]

Found some more. Please see screenshot.

[Quy]

There are 3 more in the screenshot that have to be replaced.

[Quy]

label-important is now badge-danger.

[Quy]

Sorry these should be the last ones.

COM_JOOMLAUPDATE_VIEW_DEFAULT_DESCRIPTION_BREAK="*Extensions marked with <span class='label label-important'>No</span> or <span class='label'>Missing Compatibility Tag</span> might break your website. Please consult with the developer before upgrading."
COM_JOOMLAUPDATE_VIEW_DEFAULT_DESCRIPTION_MISSING_TAG="*Extensions marked with <span class='label'>Missing Compatibility Tag</span> indicate the developer did not add a compatibility tag in the respective extension's XML."
COM_JOOMLAUPDATE_VIEW_DEFAULT_DESCRIPTION_UPDATE_REQUIRED="*Extensions marked with <span class='label label-warning'>Yes (X.X.X)</span> might require an update."

[Quy]

I have tested this item ✅ successfully on 59ed416

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/20328.}

[wilsonge]

Nice work! Thanks :)