Summary of Changes

Several conditions must be met for this error to occur (see also testing instructions).

Here are the details:

1. The point when Joomla 6 is mentioned must be reached (2 months after release) -> this is when the quickicon eos becomes active
2. A message from a different message category must be displayed. In this case, it's the notification that the PHP version has switched to security mode -> this results in two messages being added to the document at the same time
3. The message for statistics must be displayed

To fix snooze button is not working for point 2: its necessary to replace the return with continue so that the complete mutationList (for loop) is checked

To fix the javascript error for point 3: its necessary to check the node for Node.ELEMENT_NODE before querySelector because the statistic message renders also a #text element with an empty line "\n" which case the java script error

I hope that's understandable.

Testing Instructions

You need J5.4 with PHP 8.1 and message for Joomla Statistics

Actual result BEFORE applying this Pull Request

• snooze button is not working

• javascript error (see also current system tests failing for 5.4-dev)

Expected result AFTER applying this Pull Request

• snooze button is working

• no javascript error

Link to documentations

Please select:

• No documentation changes for docs.joomla.org needed
• No documentation changes for manual.joomla.org needed