fix: not shutting down executor service after game launched.

HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java

@@ -507,12 +507,14 @@ public final class LauncherHelper {
                     });
                     break;
                 case HIDE:
+                    launchingLatch.countDown();
                     Platform.runLater(() -> {
                         // If application was stopped and execution services did not finish termination,
                         // these codes will be executed.
                         if (Controllers.getStage() != null) {
                             Controllers.getStage().close();
-                            launchingLatch.countDown();
+                            Controllers.shutdown();
+                            Schedulers.shutdown();
                         }
                     });
                     break;

HMCLCore/src/main/java/org/jackhuang/hmcl/task/CancellableTaskExecutor.java

@@ -288,12 +288,14 @@ public class CancellableTaskExecutor extends TaskExecutor {
 
         @Override
         public void run() {
+            String oldName = Thread.currentThread().getName();
             try {
                 if (task.getName() != null)
                     Thread.currentThread().setName(task.getName());
                 if (!executeTask(parentTask, task))
                     success.set(false);
             } finally {
+                Thread.currentThread().setName(oldName);
                 latch.countDown();
             }
         }

HMCLCore/src/main/java/org/jackhuang/hmcl/task/Schedulers.java

@@ -74,10 +74,10 @@ public final class Schedulers {
         Logging.LOG.info("Shutting down executor services.");
 
         if (CACHED_EXECUTOR != null)
-            CACHED_EXECUTOR.shutdownNow();
+            CACHED_EXECUTOR.shutdown();
 
         if (IO_EXECUTOR != null)
-            IO_EXECUTOR.shutdownNow();
+            IO_EXECUTOR.shutdown();
     }
 
     public static Future<?> schedule(Executor executor, Runnable command) {