[6.0] Create a class alias for the CMS input class

[laoneo]

Summary of Changes

Followup for #42890 which adds a class alias for the CMS input class.

Testing Instructions

Add the following code to the file /components/com_content/src/View/Featured/HtmlView.php inside the diplsay function around line 120:

new \Joomla\CMS\Input\Input();

Actual result BEFORE applying this Pull Request

Class not found error.

Expected result AFTER applying this Pull Request

Page loads.

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

[Bodge-IT]

I have tested this item ✅ successfully on 932116d

Tested and passed as described

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/43209.}

[softforge]

I have tested this item ✅ successfully on 932116d

The alias class mops up issues from [6.0] Removing CMS Input package #42890 by adding a class alias and testing showed the break and the fix

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/43209.}

[Bodge-IT]

Thanks @laoneo