With profiles, we want to give the user the ability to easily copy another user's username into their clipboard. This diff introduces this functionality.
In the figma doc, @ted described how this functionality should behave:
The “Copy username” toggle will turn into “Username copied!” to confirm that the username has been copied successfully. The toggle will revert back to the default state after 3 seconds.
Here are the screenshots of the designs:
Depends on D8914