--daemon issues

I can reproduce it here with my config and with empty config. On xfce4 and i3. Via emacsclient and scratch.

Two simple steps:
- `yequake-toggle` creates frame, activates it;
- then `yequake-toggle` again and (possible side-effect here is a new frame) emacs --fg-daemon hangs.

How to get frame doubled - after first `yequake-toggle` focus main emacs frame, then proceed to the second `yequake-toggle`.

Very strange, it seems like it hangs on frame-delete, but I'm not sure.