Fix: Set correct hwnd for temporary webview2 controller

[BornToBeRoot]

Changes proposed in this pull request

• Set correct hwnd for temporary webview2 controller

Related issue(s)

• Fixes "Delete browsing data" in Settings (Web Console) crashes NETworkManager #3168

Copilot generated summary

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Copilot summary

This pull request updates the way the application handles the deletion of browsing data in the web console settings. The main change is that the code now passes the main window handle when creating the WebView2 controller, which improves compatibility and stability when clearing browsing data.

Improvements to WebView2 controller initialization:

• Updated DeleteBrowsingData() in WebConsoleSettingsViewModel.cs to use the main window handle (WindowInteropHelper(Application.Current.MainWindow).Handle) when creating the WebView2 controller, instead of passing IntPtr.Zero. This change ensures the controller is properly associated with the application's main window.
• Removed the unnecessary using System; directive from WebConsoleSettingsViewModel.cs, as it is no longer needed after the change.

To-Do

• Update changelog to reflect this changes

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