Crash in Extensions page (formerly "Quickstart playground crash")

[crutkas]

Dev Home version

0.1801.621.0

Windows build number

10.0.22631.4169

Other software

OS Build Version: 10.0.22631.4169.amd64fre.ni_release.220506-1250
.NET Version: .NET 8.0.8

Steps to reproduce the bug

1. go to machine config
2. click quickstart playground without a key
3. click cancel
4. click combo box in upper right
5. click cancel

it crashed, unable to repro however

Expected result

Calling out: Kristen referenced oddity on stacktrace from event viewer as I was on quickstart playground but trace shows extension page

Actual result

Application: DevHome.exe
CoreCLR Version: 8.0.824.36612
.NET Version: 8.0.8
Description: The process was terminated due to an unhandled exception.
Exception Info: System.Runtime.InteropServices.COMException (0x80004005): Unspecified error

Unspecified error

   at WinRT.ExceptionHelpers.<ThrowExceptionForHR>g__Throw|39_0(Int32 hr)
   at ABI.System.Collections.Specialized.NotifyCollectionChangedEventHandler.NativeDelegateWrapper.Invoke(Object sender, NotifyCollectionChangedEventArgs e)
   at System.Collections.ObjectModel.ObservableCollection`1.OnCollectionChanged(NotifyCollectionChangedEventArgs e)
   at DevHome.ExtensionLibrary.ViewModels.ExtensionLibraryViewModel.GetInstalledPackagesAndExtensionsAsync()
   at DevHome.ExtensionLibrary.ViewModels.ExtensionLibraryViewModel.<OnExtensionsChanged>b__17_0()
   at CommunityToolkit.WinUI.DispatcherQueueExtensions.<>c__DisplayClass3_0.<<EnqueueAsync>b__1>d.MoveNext()
--- End of stack trace from previous location ---
   at DevHome.ExtensionLibrary.ViewModels.ExtensionLibraryViewModel.OnExtensionsChanged(Object sender, EventArgs e)
   at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__128_1(Object state)
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()

Included System Information

CPU: 13th Gen Intel(R) Core(TM) i7-13700K
Physical Memory: 63.78GB (35.46GB free)
Processor Architecture: x64

Included Extensions Information

Extensions:
Microsoft.Windows.DevHome_0.1701.597.0_x64__8wekyb3d8bbwe (Core Widget Extension)
Microsoft.Windows.DevHome_0.1701.597.0_x64__8wekyb3d8bbwe (Hyper-V Extension)
Microsoft.Windows.DevHome_0.1701.597.0_x64__8wekyb3d8bbwe (Windows Subsystem for Linux Extension)
Microsoft.Windows.DevHome_0.1701.597.0_x64__8wekyb3d8bbwe (Git)
Microsoft.Windows.DevHomeGitHubExtension_0.1700.597.0_x64__8wekyb3d8bbwe (Dev Home GitHub Extension (Preview))
Microsoft.Windows.DevHomeAzureExtension_0.1200.597.0_x64__8wekyb3d8bbwe (Dev Home Azure Extension (Preview))
Microsoft.Windows.DevHomeGitHubExtension.Canary_0.1800.621.0_x64__8wekyb3d8bbwe (Dev Home GitHub Extension (Canary))
Microsoft.Windows.DevHome.Canary_0.1801.621.0_x64__8wekyb3d8bbwe (Core Widget Extension)
Microsoft.Windows.DevHome.Canary_0.1801.621.0_x64__8wekyb3d8bbwe (Hyper-V Extension)
Microsoft.Windows.DevHome.Canary_0.1801.621.0_x64__8wekyb3d8bbwe (Windows Subsystem for Linux Extension)
Microsoft.Windows.DevHome.Canary_0.1801.621.0_x64__8wekyb3d8bbwe (Git (Canary))
Microsoft.Windows.DevHomeAzureExtension.Canary_0.1300.621.0_x64__8wekyb3d8bbwe (Dev Home Azure Extension (Canary))

Widget Service:
MicrosoftWindows.Client.WebExperience_524.24900.10.0_x64__cw5n1h2txyewy

[github-actions]

Hi I'm an AI powered bot that finds similar issues based off the issue title.

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