Avalonia.Input.InputExtensions.GetInputElementsAt throws System.NullReferenceException'

[wieslawsoltes]

Exception thrown: 'System.NullReferenceException' in Avalonia.Visuals.dll
Object reference not set to an instance of an object.
   at Avalonia.VisualTree.VisualExtensions.GetVisualsAt(IVisual visual, Point p, Func`2 filter)
   at Avalonia.Input.InputExtensions.GetInputElementsAt(IInputElement element, Point p)
   at Dock.Avalonia.Controls.DockState.GetControl(IInputElement input, Point point, AvaloniaProperty`1 property) in C:\DOWNLOADS\GitHub\Dock\src\Dock.Avalonia\Controls\Docking\DockState.cs:line 142

Version: 0.8.999-cibuild0003548-beta

[wieslawsoltes]

Avalonia/src/Avalonia.Input/InputExtensions.cs

Line 28 in ba0860b

return element.GetVisualsAt(p, IsHitTestVisible).Cast<IInputElement>();

This should check for null?

return element.GetVisualsAt(p, IsHitTestVisible)?.Cast<IInputElement>();

Avalonia/src/Avalonia.Input/InputExtensions.cs

Line 39 in ba0860b

return element.GetInputElementsAt(p).FirstOrDefault();

This should check for null?

return element.GetInputElementsAt(p)?.FirstOrDefault();