fix: prompt for new input on error with ContinuePrompt

basically, dont disregard the error we get and dont return previous
input. now we try to prompt for new input without running the
previous if the function got an error

main.go

@@ -140,6 +140,7 @@ func main() {
 		os.Exit(0)
 	}
 
+input:
 	for interactive {
 		running = false
 
@@ -162,8 +163,10 @@ func main() {
 		if strings.HasSuffix(input, "\\") {
 			for {
 				input, err = ContinuePrompt(strings.TrimSuffix(input, "\\"))
-
-				if err != nil || !strings.HasSuffix(input, "\\") {
+				if err != nil {
+					goto input // continue inside nested loop
+				}
+				if !strings.HasSuffix(input, "\\") {
 					break
 				}
 			}