Migrate Arcade.sln to slnx

[ViktorHofer]

To double check:

• The right tests are in and the right validation has happened. Guidance: https://github.com/dotnet/arcade/blob/main/Documentation/Validation.md

[ViktorHofer]

Arcade had 71 projects in its sln:

Microsoft.Arcade.Common.csproj
Microsoft.Arcade.Common.Tests.csproj
Microsoft.Arcade.Test.Common.csproj
Microsoft.Cci.Extensions.csproj
Microsoft.DotNet.Arcade.Sdk.csproj
Microsoft.DotNet.Arcade.Sdk.Tests.csproj
Microsoft.DotNet.ArcadeAzureIntegration.csproj
Microsoft.DotNet.ArcadeLogging.csproj
Microsoft.DotNet.AsmDiff.csproj
Microsoft.DotNet.Build.Manifest.csproj
Microsoft.DotNet.Build.Manifest.Tests.csproj
Microsoft.DotNet.Build.Tasks.Archives.csproj
Microsoft.DotNet.Build.Tasks.Feed.csproj
Microsoft.DotNet.Build.Tasks.Feed.Tests.csproj
Microsoft.DotNet.Build.Tasks.Installers.csproj
Microsoft.DotNet.Build.Tasks.Packaging.csproj
Microsoft.DotNet.Build.Tasks.Packaging.Tests.csproj
Microsoft.DotNet.Build.Tasks.TargetFramework.csproj
Microsoft.DotNet.Build.Tasks.Templating.csproj
Microsoft.DotNet.Build.Tasks.Templating.Tests.csproj
Microsoft.DotNet.Build.Tasks.VisualStudio.csproj
Microsoft.DotNet.Build.Tasks.VisualStudio.Tests.csproj
Microsoft.DotNet.Build.Tasks.Workloads.csproj
Microsoft.DotNet.Build.Tasks.Workloads.Tests.csproj
Microsoft.DotNet.CMake.Sdk.csproj
Microsoft.DotNet.CodeAnalysis.csproj
Microsoft.DotNet.Deployment.Tasks.Links.csproj
Microsoft.DotNet.GenAPI.csproj
Microsoft.DotNet.GenFacades.csproj
Microsoft.DotNet.Git.IssueManager.csproj
Microsoft.DotNet.Helix.Client.csproj
Microsoft.DotNet.Helix.JobSender.csproj
Microsoft.DotNet.Helix.JobSender.Tests.csproj
Microsoft.DotNet.Helix.Sdk.csproj
Microsoft.DotNet.Helix.Sdk.Tests.csproj
Microsoft.DotNet.Internal.DependencyInjection.Testing.csproj
Microsoft.DotNet.Internal.SymbolHelper.csproj
Microsoft.DotNet.MacOsPkg.Cli.csproj
Microsoft.DotNet.MacOsPkg.Core.csproj
Microsoft.DotNet.MacOsPkg.Tests.csproj
Microsoft.DotNet.NuGetRepack.Tasks.csproj
Microsoft.DotNet.NuGetRepack.Tests.csproj
Microsoft.DotNet.PackageTesting.csproj
Microsoft.DotNet.PackageTesting.Tests.csproj
Microsoft.DotNet.RemoteExecutor.csproj
Microsoft.DotNet.RemoteExecutor.Tests.csproj
Microsoft.DotNet.SharedFramework.Sdk.csproj
Microsoft.DotNet.SignCheck.csproj
Microsoft.DotNet.SignCheckLibrary.csproj
Microsoft.DotNet.SignCheckTask.csproj
Microsoft.DotNet.SignTool.csproj
Microsoft.DotNet.SignTool.Tests.csproj
Microsoft.DotNet.SourceBuild.Tasks.csproj
Microsoft.DotNet.SourceBuild.Tasks.Tests.csproj
Microsoft.DotNet.StrongName.csproj
Microsoft.DotNet.SwaggerGenerator.CmdLine.csproj
Microsoft.DotNet.SwaggerGenerator.CodeGenerator.csproj
Microsoft.DotNet.SwaggerGenerator.MSBuild.csproj
Microsoft.DotNet.Tar.csproj
Microsoft.DotNet.VersionTools.Cli.csproj
Microsoft.DotNet.VersionTools.Cli.Tests.csproj
Microsoft.DotNet.XliffTasks.csproj
Microsoft.DotNet.XliffTasks.Tests.csproj
Microsoft.DotNet.XUnitAssert.csproj
Microsoft.DotNet.XUnitAssert.Tests.csproj
Microsoft.DotNet.XUnitConsoleRunner.csproj
Microsoft.DotNet.XUnitExtensions.csproj
Microsoft.DotNet.XUnitExtensions.Tests.csproj
Microsoft.DotNet.XUnitV3Extensions.csproj
WinShimmer.csproj

Same with the slnx now.

[ViktorHofer]

Needs #15897

[kasperk81]

does it need package update?

[ViktorHofer]

Yes, it needs a re-bootstrap (updated Arcade.SDK). Will probably be available in ~4 hours