[4.0] Rename presets for main menu

[chmst]

Pull Request for Issue #26067

Summary of Changes

The names of presets for main menu have been changed

Testing Instructions

In Modules, open the admini module "admin menu" and change the preset.

Expected result

Everything works as before

[infograf768]

I guess we have to add in script the deletion of the older joomla and modern presets.
Looks like changing file names is not really understood by git which consider it is a conflict.

[infograf768]

I test this OK btw if the so-called conflicts can be solved.

[ChristineWk]

I have tested this item ✅ successfully on 733d823

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[infograf768]

I have tested this item ✅ successfully on 733d823

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/26084.}

[infograf768]

RTC if conflicts can be solved

@zero-24 @HLeithner @wilsonge

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[zero-24]

Yes already on my list.

[zero-24]

merge conflict has been resolved

[infograf768]

Restarted drone

[infograf768]

@wilsonge @HLeithner
Please merge so that we can improve the alternate xml

[infograf768]

Thanks!