[4.3] Converts editor buttons to service providers

[dgrammatiko]

Pull Request for Issue # .

Summary of Changes

• Move all editor buttons except page break (for testing purposes) to service providers

Testing Instructions

• Apply the PR
• Delete the file administrator/cache/autoload_psr4.php
• Check that all buttons work correctly for all the editors (tinyMCE, Codemirror, None)

Actual result BEFORE applying this Pull Request

Works

Expected result AFTER applying this Pull Request

Works

Link to documentations

Please select:

• Documentation link for docs.joomla.org:

• No documentation changes for docs.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed

@laoneo

[laoneo]

I'm just wondering if the namespace should be a bit more clear. I know they are inline with the rest, but Xtd doesn't say much. Why not just going with Joomla\Plugin\EditorButton\Article.

[dgrammatiko]

Let’s keep the Xtd suffix, as I plan to roll a new set with the upcoming modal (dialog element) and @Fedik wants to have couple more events for the editors so the EditorsButtons would be used there

[laoneo]

I have tested this item ✅ successfully on 9f0987d

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[viocassel]

I have tested this item ✅ successfully on 9f0987d

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/39649.}

[Quy]

RTC

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[obuisard]

Thank you Dimitris @dgrammatiko :-)