### Steps to reproduce

1. Begin of the insertionCreateEnd of the insertion Begin of the deletion @mentionEnd of the deletion a group Begin of the insertion

2. Assign the current user to be part of the group

3. Assign the group to be part of a project with a work package

4. @mention the group in a commentEnd of the insertion Begin of the deletion you are member of.End of the deletion


### What is the buggy behavior?

* The author of the comment receives a notification.


### What is the expected behavior?

1. The author is excluded from the notifications.