[5.2] Remove alt-text for menuItem with image and title

[chmst]

Pull Request for Issue # .

Summary of Changes

In the menu layouts menus can have an image followed by an text. Alt-text for images are generated equal to the menuitem title. If the menutype is a link, this is an a11y issue, in other cases it is useless.

This PR replaces the alt text by an empty alt-text for all menutypes.

Testing Instructions

Code inspect and sourcecode inspect.
Or use a tool like IBM accessible audit in your browser and check your menus with images.

Actual result BEFORE applying this Pull Request

Expected result AFTER applying this Pull Request

Link to documentations

Please select:

• Documentation link for docs.joomla.org:

• x] No documentation changes for docs.joomla.org needed

• Pull Request link for manual.joomla.org:

• [x No documentation changes for manual.joomla.org needed

[brianteeman]

LGTM

[hans2103]

LGTM

[Quy]

When Display Menu Item Title is disabled, then won't it be an a11y issue without the alt text?

[chmst]

No, as there is the menu item text , but hidden for sighted users
<span class="visually-hidden">' . $item->title . '</span>'

[Quy]

But this is not the case as seen below:

<li class="nav-item item-101"><a href="/joomla-cms-4.3-dev/index.php/home" ><img src="/joomla-cms-4.3-dev/images/joomla_black.png" alt="" width="225" height="50" loading="lazy"></a></li>

[chmst]

Thank you for testing - will fix this asap

[ceford]

I have tested this item ✅ successfully on b63b611

Using axe DevTools the menu image was flagged as Alternative text of images should not be repeated as text. With the patch that flag disappeared.

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[HLeithner]

This pull request has been automatically rebased to 4.4-dev.

[laoneo]

This one here is not RTC, it has only one test.

[laoneo]

Back to pending as it has only one test

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[hans2103]

I have tested this item ✅ successfully on 87b1361

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[HLeithner]

This pull request has been automatically rebased to 5.2-dev.

[pe7er]

I have tested this item ✅ successfully on 731bba0

Works fine. It adds an empty ALT to the purely decorative menu item image

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[pe7er]

RTC

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