Pull Request for Issue #42596 .

Summary of Changes

If you try to uninstall an extension that is a package you can't and get a message doesnt indicate what package.

This pr adds a new variable to the string so that there is now a direct link to the package

Because of our semver rules on language strings this is made against j5.1

Testing Instructions

Install any package extension eg a language
Go to System => Manage => Extensions
Filter for languages and then try to uninstall one

Actual result BEFORE applying this Pull Request

The < named > extension is part of a [ package ] which does not allow individual extensions to be uninstalled.

Expected result AFTER applying this Pull Request

The < named > extension is part of a [ package ]( index.php?option=com_installer&view=manage&filter[search]=id:XX) which does not allow individual extensions to be uninstalled.

The link will directly open the package so it can be selected and uninstalled.

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