Mail template fix "reply to"

[Fedik]

Pull Request for Issue #37473 .

Summary of Changes

Mail template should use replyto from config, when available

Testing Instructions

Please follow #37473
Or add "Reply-To" in Global config, save (!!), and send test email.

Actual result BEFORE applying this Pull Request

Reply-To is missing

Expected result AFTER applying this Pull Request

Reply-To is there

Link to documentations

Please select:

• No documentation changes for docs.joomla.org needed
• No documentation changes for manual.joomla.org needed

[toivo]

I have tested this item ✅ successfully on 0e2aa37

Tested successfully in Joomla 4.2.28-dev of 20 February in Wampserver 3.2.9 using PHP 8.1.10

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[ChristineWk]

I have tested this item ✅ successfully on 0e2aa37

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[richard67]

RTC

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[joomdonation]

@toivo or @ChristineWk Could one of you help re-testing this PR ? After that, it will be ready to be merged.

[ChristineWk]

I have tested this item ✅ successfully on 523b6a2

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[ChristineWk]

[joomdonation]

Thanks @ChristineWk. RTC because the last commit was just a simple rename variables and we now have one actual human tested it with successful test.

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[roland-d]

Thank you