Fix non-existent asset path in JumpListPage inline code samples

[Copilot]

The inline C# code samples on JumpListPage referenced ms-appx:///Assets/Square44x44Logo.scale-200.png, an asset that doesn't exist in the project, causing the displayed snippets to be misleading/non-functional if copy-pasted.

Changes

• Replace both occurrences of the invalid path in the XAML code sample strings with ms-appx:///Assets/Tiles/AppList.targetsize-48.png, aligning the samples with what the code-behind (JumpListPage.xaml.cs) actually uses.

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[Copilot]

Just as a heads up, I was blocked by some firewall rules while working on your feedback. Expand below for details.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• e7bvsblobprodcus348.vsblob.vsassets.io
  • Triggering command: /usr/bin/dotnet dotnet test tests/WinUIGallery.UnitTests/WinUIGallery.UnitTests.csproj (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)