Fix CI: use dotnet msbuild with VS extensions path for PRI tasks

Author: arcadiogarcia

.github/workflows/release.yml

@@ -51,17 +51,26 @@ jobs:
 
       - name: Restore & Build WinAppSdk library
         shell: pwsh
-        env:
-          # Let VS MSBuild find the .NET 10 SDK installed by setup-dotnet
-          DOTNET_HOST_PATH: ${{ env.DOTNET_ROOT }}\dotnet.exe
         run: |
-          # Restore with dotnet (guaranteed to have .NET 10 SDK)
+          # Use dotnet msbuild (has .NET 10 SDK) but point it to VS's AppxPackage targets for PRI generation
+          $vsPath = "${{ steps.vs.outputs.VS_PATH }}"
+          
+          # Find the VS MSBuild extensions path containing the AppxPackage/PRI targets
+          $vsVersion = (Get-ChildItem "$vsPath\MSBuild\Microsoft\VisualStudio" -Directory | Sort-Object Name -Descending | Select-Object -First 1).Name
+          $appxPath = "$vsPath\MSBuild\Microsoft\VisualStudio\$vsVersion\AppxPackage"
+          Write-Host "VS Version: $vsVersion"
+          Write-Host "AppxPackage path: $appxPath"
+          Write-Host "Exists: $(Test-Path $appxPath)"
+          
+          # Set the environment variable that WinAppSDK PRI targets use
+          $env:MSBuildExtensionsPath = "$vsPath\MSBuild"
+          $env:VSInstallDir = "$vsPath\"
+          
           dotnet restore src/CompositionCollectionView.WinAppSdk/CompositionCollectionView.WinAppSdk.csproj -p:Platform=x64
-          # Build with VS MSBuild (has PRI tools) using dotnet SDK's .NET 10 targets
-          & "${{ steps.vs.outputs.MSBUILD }}" src/CompositionCollectionView.WinAppSdk/CompositionCollectionView.WinAppSdk.csproj `
-            /t:Build /p:Configuration=Release /p:Platform=x64 `
-            "/p:DotNetRoot=$env:DOTNET_ROOT\" `
-            "/p:NetCoreTargetingPackRoot=$env:DOTNET_ROOT\packs"
+          dotnet build src/CompositionCollectionView.WinAppSdk/CompositionCollectionView.WinAppSdk.csproj `
+            -c Release `
+            --no-restore `
+            -p:Platform=x64
 
       - name: Pack NuGet
         shell: pwsh