Update MAUI Map docs for Windows Azure Maps support

[Copilot]

.NET MAUI Maps now has a native Windows implementation using WinUI 3 MapControl backed by Azure Maps. The docs still described Windows as unsupported and pointed users to the Community Toolkit workaround.

• Versioned Windows guidance

  • Keeps the unsupported Windows note for <=net-maui-9.0.
  • Adds >=net-maui-10.0 guidance for Azure Maps-backed Windows support.

• Windows setup

  • Adds Azure Maps subscription key configuration with ConfigureEssentials:

builder
    .UseMauiApp<App>()
    .UseMauiMaps();

builder.ConfigureEssentials(essentials =>
{
    essentials.UseMapServiceToken("YOUR_AZURE_MAPS_SUBSCRIPTION_KEY");
});

• Windows capability notes
  • Documents supported Windows features: MoveToRegion, map types, traffic, scrolling/zooming, and pins.
  • Calls out current no-op limitations: user location display, map elements/shapes, pin info windows, and background map clicks.

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Internal previews

📄 File	🔗 Preview link
docs/user-interface/controls/map.md	docs/user-interface/controls/map

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docs/user-interface/controls/map.md	✅Succeeded	View (>=net-maui-8.0)

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[learn-build-service-prod]

PoliCheck Scan Report

The following report lists PoliCheck issues in PR files. Before you merge the PR, you must fix all severity-1 and severity-2 issues. The AI Review Details column lists suggestions for either removing or replacing the terms. If you find a false positive result, mention it in a PR comment and include this text: #policheck-false-positive. This feedback helps reduce false positives in future scans.

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Learn Build status updates of commit de03a6f:

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docs/user-interface/controls/map.md	✅Succeeded	View (>=net-maui-8.0)

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[learn-build-service-prod]

PoliCheck Scan Report

The following report lists PoliCheck issues in PR files. Before you merge the PR, you must fix all severity-1 and severity-2 issues. The AI Review Details column lists suggestions for either removing or replacing the terms. If you find a false positive result, mention it in a PR comment and include this text: #policheck-false-positive. This feedback helps reduce false positives in future scans.

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Learn Build status updates of commit 928951c:

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docs/user-interface/controls/map.md	✅Succeeded	View (>=net-maui-8.0)

For more details, please refer to the build report.