Possible peertube bug

I am using the Diode.zone instance of the Peertube video sharing service. I have posted a video and the text that accompanies the video below.

This bug, illustrated here, seems to be triggered when I press enter (even accidentally) after entering some text in the title box.

So making this so that:-

This is using the latest Firefox-esr on Debian 11. ( 102.14.0esr (64-bit) )