[5.1] Convert mod_loginsupport to service provider

[joomlaweby]

Summary of Changes

Converts the login support module to service provider.

Testing Instructions

1. Make sure you have administrator module mod_loginsupport published and configured
2. You should see module output on administrator login page

Actual result BEFORE applying this Pull Request

Module works as expected

Expected result AFTER applying this Pull Request

Module works same way as before applying pull request

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

[fgsw]

I have tested this item ✅ successfully on 2c3a20a

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[viocassel]

I have tested this item ✅ successfully on 2c3a20a

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/42827.}

[richard67]

RTC

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[eddiekonczal]

I have tested this item ✅ successfully on 2c3a20a

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/42827.}

[LadySolveig]

Thank you @joomlaweby and also for testing @fgsw @viocassel @eddiekonczal

[joomlaweby]

Many thanks for reviewing and testing to @fgsw @viocassel @eddiekonczal @LadySolveig !

[richard67]

Many thanks for reviewing and testing to @fgsw @viocassel @eddiekonczal @LadySolveig !

And to me not?

[LadySolveig]

Special thanks to @richard67 for your enduring support! 💯