[dotnet] [bidi] Simplified how background tasks are started

dotnet/src/webdriver/BiDi/Broker.cs

@@ -37,8 +37,6 @@ internal sealed class Broker : IAsyncDisposable
 
     private long _currentCommandId;
 
-    private static readonly TaskFactory _myTaskFactory = new(CancellationToken.None, TaskCreationOptions.DenyChildAttach, TaskContinuationOptions.None, TaskScheduler.Default);
-
     private readonly Task _receivingMessageTask;
     private readonly CancellationTokenSource _receiveMessagesCancellationTokenSource;
 
@@ -49,7 +47,7 @@ public Broker(ITransport transport, IBiDi bidi, Func<ISessionModule> sessionProv
         _eventDispatcher = new EventDispatcher(sessionProvider);
 
         _receiveMessagesCancellationTokenSource = new CancellationTokenSource();
-        _receivingMessageTask = _myTaskFactory.StartNew(async () => await ReceiveMessagesAsync(_receiveMessagesCancellationTokenSource.Token), TaskCreationOptions.LongRunning).Unwrap();
+        _receivingMessageTask = Task.Run(() => ReceiveMessagesAsync(_receiveMessagesCancellationTokenSource.Token));
     }
 
     public Task<Subscription> SubscribeAsync<TEventArgs>(string eventName, EventHandler eventHandler, SubscriptionOptions? options, JsonTypeInfo<TEventArgs> jsonTypeInfo, CancellationToken cancellationToken)

dotnet/src/webdriver/BiDi/EventDispatcher.cs

@@ -42,12 +42,10 @@ internal sealed class EventDispatcher : IAsyncDisposable
 
     private readonly Task _eventEmitterTask;
 
-    private static readonly TaskFactory _myTaskFactory = new(CancellationToken.None, TaskCreationOptions.DenyChildAttach, TaskContinuationOptions.None, TaskScheduler.Default);
-
     public EventDispatcher(Func<ISessionModule> sessionProvider)
     {
         _sessionProvider = sessionProvider;
-        _eventEmitterTask = _myTaskFactory.StartNew(ProcessEventsAwaiterAsync).Unwrap();
+        _eventEmitterTask = Task.Run(ProcessEventsAwaiterAsync);
     }
 
     public async Task<Subscription> SubscribeAsync<TEventArgs>(string eventName, EventHandler eventHandler, SubscriptionOptions? options, JsonTypeInfo<TEventArgs> jsonTypeInfo, CancellationToken cancellationToken)