fix: allow vscode w/dev kit to load solutions made from template

[spouliot]

GitHub Issue (If applicable): closes #

PR Type

What kind of change does this PR introduce?

• Bugfix

What is the current behavior?

VS Code with OmniSharp can load the solution create from the templates.

VS Code with C# DevKit can NOT load the solution create from the templates. In this case a notification is shown

Failed to restore solution.

and the logs shows

  Determining projects to restore...
/usr/local/share/dotnet/sdk/8.0.100/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.FrameworkReferenceResolution.targets(90,5): error NETSDK1100: To build a project targeting Windows on this operating system, set the EnableWindowsTargeting property to true. [/Users/poupou/git/external/uno/Uno.Samples/reference/SimpleCalc/MVU-X-CSharp/SimpleCalculator.Windows/SimpleCalculator.Windows.csproj]

What is the new behavior?

VS Code can load the solution in either OmniSharp or Dev Kit modes.

PR Checklist

Please check if your PR fulfills the following requirements:

• Associated with an issue (GitHub or internal)

Other information

Internal Issue (If applicable):

[jeromelaban]

@Mergifyio backport release/stable/5.0

[mergify]

backport release/stable/5.0

✅ Backports have been created

• #495 fix: allow vscode w/dev kit to load solutions made from template (backport #494) has been created for branch release/stable/5.0