`Display only project classes` cannot work correctly

Describe the bug Display only project classes cannot work correctly the snapshot is a contrast between version v2.2.6 and v3.0.1

Expected behavior A clear and concise description of what you expected to happen.

Screenshots diagram v2.2.6 generated diagram v3.0.1 generated

Plugin & IDE info:

Plugin Version [e.g. 2.2.0]
IDE Name & Version [e.g. IDEA Comunity 2022.2]
Which language (e.g: Java, Kotlin, Scala, Groovy) you try to generate?

Additional context Add any other context about the problem here.

code fragment


public static void startService(){

    ExecutorService executorService = Executors.newSingleThreadExecutor();
    executorService.submit(new Runnable() {
        @SneakyThrows
        @Override
        public void run() {
            System.out.println("executor service start!!!");
            Thread.sleep(1000*10);
            System.out.println("Thread done!");
        }
    });
    System.out.println("start done!");
    executorService.shutdown();
}

Vanco / SequencePlugin

`Display only project classes` cannot work correctly #153