fzf-history-widget doesn't work properly.

[zgqq]

• [ ] I have read through the manual page (man fzf)
• [x] I have the latest version of fzf
• [x] I have searched through the existing issues

Info

• OS
  • [ ] Linux
  • [x] Mac OS X
  • [ ] Windows
  • [ ] Etc.
• Shell
  • [ ] bash
  • [x] zsh
  • [ ] fish

Problem / Steps to reproduce

1. Pressing Ctrl + r to show widget and pressing ENTER to select any item.
2. Pressing Ctrl + u (Delete whole line) to clear the command.
3. Pressing Ctrl + r to show widget and pressing ENTER to select any item again.
4. Now terminal will not show the selected item (not show anything).

[junegunn]

Cannot reproduce the problem.