[4.0] Add extension name/id to uninstall message if extension is locked, redo of PR 28916

[richard67]

Pull Request for Issue # .

Summary of Changes

This is a redo of PR #28916 . Thanks @ReLater for the implementation.

• Change lang string COM_INSTALLER_UNINSTALL_ERROR_LOCKED_EXTENSION.
• Use sprintf to display extension name and id.

Testing Instructions

• 4.0 nightly build of today (Wednesday, 06 May 2020) or later.
• Go to extensions manager (administrator/index.php?option=com_installer&view=manage).
• Select many locked extensions.
• Click Uninstall and check the messages at the top.
• CLI: Use php cli/joomla.php extension:remove xxx, with xxxbeing an extension ID for a locked core extension, e.g. Action Log - Joomla.

Actual result

In backend in extensions manage:

CLI:

Expected result after applying PR

In backend in extensions manage:

CLI:

[infograf768]

I have tested this item ✅ successfully on 580ff13

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[richard67]

@ChristineWk Please test.

[ChristineWk]

I have tested this item ✅ successfully on 580ff13

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[infograf768]

rtc

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[infograf768]

Tks to both