Add --tty-default=/dev/tty and --no-tty-default option (#4352)

Fix #4242.

Use --no-tty-default, if you want fzf to perform a TTY look-up instead of defaulting to /dev/tty.

src/tui/light_windows.go

@@ -76,12 +76,12 @@ func (r *LightRenderer) closePlatform() {
 	windows.SetConsoleMode(windows.Handle(r.inHandle), r.origStateInput)
 }
 
-func openTtyIn() (*os.File, error) {
+func openTtyIn(ttyDefault string) (*os.File, error) {
 	// not used
 	return nil, nil
 }
 
-func openTtyOut() (*os.File, error) {
+func openTtyOut(ttyDefault string) (*os.File, error) {
 	return os.Stderr, nil
 }