Mouse enter event not fired when moving the mouse enter the drawer control.

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Describe the bug

Mouse enter event not fired when moving the mouse enter the drawer control. In fact, all kinds of mouse events are not working.

Steps to reproduce the bug

1. Declare a drawer control;
2. Setup the MouseEnter handler;
3. Run the WPF application and change the drawer state to opened;
4. Move the mouse to enter(over) the drawer.

<hc:Drawer
  x:Name="MenuDetailDrawer"
  Margin="60,75,60,0"
  Dock="Top"
  IsOpen="{Binding MenuDetailDrawerIsOpen, Mode=TwoWay}"
  MouseEnter="MenuDetailDrawer_MouseEnter"
  ShowMode="Cover">
<!--Content Omitted-->
</hc:Drawer>

Expected behavior

The mouse enter event fired and the handler method is called.

Screenshots

No response

NuGet package version

HandyControl 3.4.0

IDE

Visual Studio 2022-preview

Framework type

.Net 6.0

Windows version

May 2021 Update (19043)

Additional context

No response