[5.1] Add Global Setting for Form Layout option to custom fields

[AndySDH]

Pull Request for Issue #37162. Follow-up to PR #36551 and issue #36548.

Purpose of the PR

As discussed in #37162, this allows users to set a global preference for the HTML Select for custom fields of types: list, SQL, radio, integer.

I would have just removed the option, as the "raw" select is just ugly, but @laoneo noted that we need to keep it for Backwards Compatibility.

Summary of Changes

• Added plugin settings for all relevant fields so that the field inherits from the global options by default (this allows users to set a global preference instead of having to set it for each field they create)
• The global option will still use the old "raw" style by default (to keep Backwards Compatibility)
• Implemented the same setting for the Integer field type as well (it was forgotten about in PR 36551 )
• Renamed the option to "Form Layout" for it to be more explicative
• Added new language strings in a shared language file to avoid duplicating them for all field types

Testing Instructions

First create the custom field:

• Create Custom Field of type 'list' for the Content component. Make sure that the 'Multiple' setting is set to 'Yes'
• Go to Options->Form Options: Keep the 'Form Layout' as 'Use Settings from Plugin'

Then:

• Go to Plugin Manager, and in the plugin options for 'Fields - List', change the default 'Form Layout' option
• Edit an article and check the form display of the field, it will change based on your selection of 'Form Layout'

Actual result BEFORE applying this Pull Request

There was no global setting to inherit from the plugin for 'Form Layout'

Expected result AFTER applying this Pull Request

There is now a global setting for 'Form Layout' that controls the default value when not specified in an individual field.

Changing the global setting will change the form layout of the field.

[obuisard]

I have tested this and have not triggered any errors this time. I think it is OK but do not know how to create a ticked pass box as I usually do that with the Joomla test interface which is currently down.

You will have to wait for the issue tracker to get back online, I am afraid. This is the only way you can cast your test. In the meantime, Richard set the PR as RTC, which acknowledges your test.

[AndySDH]

I have tested this and have not triggered any errors this time. I think it is OK but do not know how to create a ticked pass box as I usually do that with the Joomla test interface which is currently down.

Thank you :)

[richard67]

RTC

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[LadySolveig]

Many thanks for this contribution @AndySDH and the very nice teamwork!

[Razzo1987]

I have tested this item ✅ successfully on 9137eee

Very nice work! We love it!

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