regression of issue #1008 on idea-plugin #1271

switch (value) {
      case 0 -> "it was 0";
      case 1 -> "it was 1";
      case 2 -> "it was 2";
      case null, default -> "unexpected value";
    };

      case null -> "null value";
      default -> "unexpected value";

public class Test {
    public static void main(String[] args) {
        Object obj = null; // or some other object
        String result = switch (obj) {
            case null, default -> "handled";
        };
        System.out.println(result);
    }
}