MultiTarget Matrix for CI, support for solution generation

[Arlodotexe]

This PR

• Updates tooling with the latest fixes and improvements to multitarget support for solution generation
• Refactors the build job, splitting into build and package.
  • The build job is matrixed in line with the multitarget system
  • The package job is not matrixed and has been refactored to use our ./tooling/Build-Toolkit-Components.ps1 script.

Prerequisite PR: CommunityToolkit/Tooling-Windows-Submodule#200

[Arlodotexe]

Labs will need the same build.yml treatment as well.

[michael-hawker]

Weird actual test failure:

 Failed Test_RichSuggestBox_AddTokens (@Token1,@Token2,@Token3) [434 ms]
  Error Message:
   Assert.IsTrue failed. SuggestionChosen was not invoked.
  Stack Trace:
     at RichSuggestBoxExperiment.Tests.Test_RichSuggestBox.TestAddTokenAsync(RichSuggestBox rsb, String tokenText) in C:\a\Windows\Windows\components\RichSuggestBox\tests\Test_RichSuggestBox.cs:line 354
   at RichSuggestBoxExperiment.Tests.Test_RichSuggestBox.<>c__DisplayClass0_0.<<Test_RichSuggestBox_AddTokens>b__0>d.MoveNext() in C:\a\Windows\Windows\components\RichSuggestBox\tests\Test_RichSuggestBox.cs:line 33
--- End of stack trace from previous location ---
   at CommunityToolkit.WinUI.DispatcherQueueExtensions.<>c__DisplayClass3_0.<<EnqueueAsync>b__1>d.MoveNext() in /_/components/Extensions/src/Dispatcher/DispatcherQueueExtensions.cs:line 180
--- End of stack trace from previous location ---
   at RichSuggestBoxExperiment.Tests.Test_RichSuggestBox.Test_RichSuggestBox_AddTokens(String tokenText1, String tokenText2, String tokenText3) in C:\a\Windows\Windows\components\RichSuggestBox\tests\Test_RichSuggestBox.cs:line 26
   at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.PlatformServices.ThreadOperations.ExecuteWithAbortSafety(Action action)

[Arlodotexe]

Weird actual test failure:

Seems to be #347, rekicking.

[michael-hawker]

Looking good, just wondering if we can "simplify" some of the re-use between the jobs?

[Arlodotexe]

@michael-hawker Looks like the package step ran successfully, but the CI is still expecting status checks on build (WinUI2) and build (WinUI3), which were refactored into the matrix in this PR. Are these set in repo settings?

[michael-hawker]

@michael-hawker Looks like the package step ran successfully, but the CI is still expecting status checks on build (WinUI2) and build (WinUI3), which were refactored into the matrix in this PR. Are these set in repo settings?

Yeah, these are settings in the repo, we all set to go then? I can switch them over.