Copying the username clears the clipboard

[rEnr3n]

This issue is a

• [x] bug
• [ ] feature
• [ ] question

Please describe the current behavior, and explain why it's bad.

Copying the username using the keyboard shortcut Ctrl+b does not copy the username. It clears the clipboard instead.

Please describe how you think it should change.

Ctrl+b should be able to copy the username.

Anything else?

[zmilonas]

Fix prepared in #183