[4.0] fix the path for Cassiopeia js

[dgrammatiko]

Pull Request for Issue # .

Summary of Changes

• Moved the file menu-metismenu.es6.js from build/media_source/templates/cassiopeia/js/mod_menu/ to build/media_source/templates/site/cassiopeia/js/mod_menu/ (there is a site missing there)
• Adjust the layout to use the correct path

Testing Instructions

Enable the dropdown layout for the frontend menu. Check that the metismenu script is loaded

Actual result BEFORE applying this Pull Request

Expected result AFTER applying this Pull Request

Documentation Changes Required

@wilsonge this is kinda important for the Child templates
@richard67 I think you need to add the old paths to the files removed

[brianteeman]

Why?

This is not Cassiopeia specific

[dgrammatiko]

Why?

The child templates are already configured (check the HTML helper file for the overrides) to look at the folders media/templates/site and media/templates/administrator depending on if the template is front end or back end. The current path was picked out of the blue, it doesn't follow any rules...

[brianteeman]

Sorry was reading on my phone. Ignore my comment

[wilsonge]

OK Let's get a quick test but this looks good to me

[RickR2H]

I have tested this item ✅ successfully on fe15fec

Path is correct and script is loaded after the patch.

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[jwaisner]

I have tested this item ✅ successfully on fe15fec

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/35024.}

[jwaisner]

RTC

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/35024.}

[wilsonge]

Thanks!