I think this is a bug. I was not sure how to report it.
When I try to edit the body of the email notification, as soon as I press Enter two times, I am redirected to the MS Teams configuration page.
I seem to have a MS Team configuration box at the top which remains there even after I have deleted it.
It’s as though my cursor is getting refocused automatically to the MS Team config box.
This is the screen I get when I press Enter twice while editing the Email Body:
