Add input-medium class in mod_search to get similar output as for mod_finder

[sanderpotjer]

Summary of Changes

Adding input-medium class for input field to get the same output as for mod_finder. We have had this issue for the joomla.org templates for example, where the output is different if using mod_search instead of mod_finder.

Testing Instructions

Before patch the input-medium class is not in the output for mod_search, after applying patch the output should be changed and input-medium is one of the classes.

[ghost]

I have tested this item ✅ successfully on 10a5eb0

After Patch com_search (Modules: Search) have a input-medium similar to com_finder (Modules: Smart Search).

Thanks @sanderpotjer

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/14099.}

[joomdonation]

Do we have to worry about adding input-medium class will change the display of search module on existing websites?

[ghost]

@C-Lodder do we have worry about?

[C-Lodder]

This is fine. The input-medium width will only kick in, if the Box Width parameter for mod_search has no value.

[C-Lodder]

I have tested this item ✅ successfully on 10a5eb0

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/14099.}

[dgrammatiko]

RTC

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/14099.}

[ghost]

Thanks @C-Lodder @dgt41

[rdeutz]

unit test must be fixed before we can merge this @sanderpotjer ca you do that?

[wilsonge]

I have fixed el unit test