wpf topmost windows lost touch in double screen condition

* .NET Core Version: 4.8
* Windows version: 10
* Does the bug reproduce also in WPF for .NET Framework 4.8?: Yes
* Is this bug related specifically to tooling in Visual Studio (e.g. XAML Designer, Code editing, etc...)? If yes, please file the issue via the instructions [here](https://docs.microsoft.com/visualstudio/ide/how-to-report-a-problem-with-visual-studio?view=vs-2019).
* Security issues and bugs should be reported privately, learn more via our [responsible disclosure guidelines](https://github.com/dotnet/wpf/blob/master/README.md#reporting-security-issues-and-security-bugs).

**Problem description:** Create WPF TopMost Window in double touchscreen （duplicated screen） condition，switch one of the screen video source，another screen lost touch。it's about 30% ratio。

**Actual behavior:**

**Expected behavior:**no touch lost

**Minimal repro:**