gum filter returns stdin when no match is made

[ghost]

Describe the solution you'd like

• gum filter returns user input if no match is made, mimicking the behavior of fzy instead of fzf.
• In the below examples, the user inputs green:

  echo -e "red\nblue" | fzf
  # no stdout
  echo -e "red\nblue" | gum filter
  # no stdout
  echo -e "red\nblue" | fzy
  # green

Describe alternatives you've considered fzy

[maaslalani]

Hey thanks so much for opening this issue. This is actually already a feature of gum (but turned off by default).

Please use the --no-strict flag to mimic this behaviour!