Pull Request resolves # .

• I read the Generative AI policy and my contribution is either not created with the help of AI or is compatible with the policy and GNU/GPL 2 or later.

Summary of Changes

When an extension uses only HTML mail templates bodies, then plain mails are not converting the tags. This pr makes sure that tags are also replaced in mail templates when only HTML bodies are available.

Testing Instructions

• Install DPCalendar from here
• Got to the DPCalendar global configuration Component tab and add a notification for event updates with a user group that contains a user which is different from the current logged in user, documentation can be found here
• Edit a DPCalendar event and save

Actual result BEFORE applying this Pull Request

A notification mail is sent in plain text without replaced tags.

Expected result AFTER applying this Pull Request

A notification mail is sent in plain text with replaced tags.

Link to documentations

Please select:

• Documentation link for guide.joomla.org:

• No documentation changes for guide.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed