Crash when I press and release 2 buttons at the same time on touchscreen

[AngryCarrot789]

Describe the bug

When I press 2 buttons at once and release, there's a likely chance it crashes my application

To Reproduce

Press 2 buttons with 2 fingers, then release both quickly

Expected behavior

It should handle the "pointer releases" successfully

Avalonia version

11.0.10

OS

Linux

Additional context

Here's the stack trace of the crash:

Unhandled exception. System.NullReferenceException: Object reference not set to an instance of an object.
   at Avalonia.Input.Gestures.PointerReleased(RoutedEventArgs ev)
   at Avalonia.Reactive.LightweightObservableBase`1.PublishNext(T value)
   at Avalonia.Interactivity.Interactive.RaiseEvent(RoutedEventArgs e)
   at Avalonia.Input.TouchDevice.ProcessRawEvent(RawInputEventArgs ev)
   at Avalonia.Input.InputManager.ProcessInput(RawInputEventArgs e)
   at Avalonia.ManualRawEventGrouperDispatchQueue.DispatchNext()
   at Avalonia.Controls.Platform.ManagedDispatcherImpl.RunLoop(CancellationToken token)
   at Avalonia.Threading.DispatcherFrame.Run(IControlledDispatcherImpl impl)
   at Avalonia.Threading.Dispatcher.PushFrame(DispatcherFrame frame)
   at Avalonia.Threading.Dispatcher.MainLoop(CancellationToken cancellationToken)
   at Avalonia.Controls.DesktopApplicationExtensions.Run(Application app, CancellationToken token)
   at LinuxFramebufferPlatformExtensions.StartLinuxDirect(AppBuilder builder, String[] args, IOutputBackend outputBackend, IInputBackend inputBackend)
   at BlueberryBenchSupply.Program.Main(String[] args)

[timunie]

can we test 11.1 beta?

[maxkatz6]

Yes, a very similar problem was fixed in 11.1 beta2