fix: nil err

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>

form.go

@@ -652,7 +652,10 @@ func (f *Form) run(ctx context.Context) error {
 	if errors.Is(err, tea.ErrProgramKilled) {
 		return ErrTimeout
 	}
-	return fmt.Errorf("huh: %w", err)
+	if err != nil {
+		return fmt.Errorf("huh: %w", err)
+	}
+	return nil
 }
 
 // runAccessible runs the form in accessible mode.