Text dragging broken in issue comments

Summary

Unable to drag-move text in issue replies

Steps to reproduce

Pick any open issue on gitlab

Start a reply to it

Type some text

Select some text

Drag'n'drop with the mouse to move the selected text to a different position

Example Project

This one

What is the current bug behavior?

Text does not move

What is the expected correct behavior?

Text moves

Relevant logs and/or screenshots

Output of checks

This bug happens on GitLab.com