[6.0] language keys of Cassiopeia Extended template (in frontend) translated

[alikon]

Pull Request for Issue #46457.

Summary of Changes

Refactor template loading in preprocessForm method

Testing Instructions

• Install Joomla 6,
• Install demo data,
• On the System -> Site Template Styles page, set the new Cassiopeia Extended template as the default,
• Log in to the frontend,
• In the right-hand menu on the frontend, select template settings.

Actual result BEFORE applying this Pull Request

language keys untranslated

Expected result AFTER applying this Pull Request

language keys translated.

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

[Kostelano]

I have tested this item ✅ successfully on d69c397

It works, thanks. It works for both Cassiopeia Extended and for creating a new child template based on Cassiopeia.

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[exlemor]

I have tested this item ✅ successfully on d69c397

I have tested this successfully. Thanks @alikon.

I got stuck at step: In the right-hand menu on the frontend, select template settings - and then, figured out I had to create a Menu entry of type Configuration » Display Template Options ;)

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[richard67]

RTC

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