Update dotnet-desktop.yml

adding build for installer.

.github/workflows/dotnet-desktop.yml

@@ -55,6 +55,7 @@ jobs:
 
     env:
       Solution_Name: StopWatch.sln                                 # Replace with your solution name, i.e. MyWpfApp.sln.
+      Solution_Name_install: StopWatchSetup.sln                                 # Replace with your solution name for install, i.e. MyWpfApp.sln.
       Test_Project_Path: source/StopWatchTest # Replace with the path to your test project, i.e. MyWpfApp.Tests\MyWpfApp.Tests.csproj.
       # Wap_Project_Directory: your-wap-project-directory-name       # Replace with the Wap project directory relative to the solution, i.e. MyWpfApp.Package.
       # Wap_Project_Path: your-wap-project-path                      # Replace with the path to your Wap project, i.e. MyWpf.App.Package\MyWpfApp.Package.wapproj.
@@ -86,6 +87,12 @@ jobs:
       env:
         Configuration: ${{ matrix.configuration }}
 
+    # Restore the application to populate the obj folder with RuntimeIdentifiers
+    - name: Restore the installer application
+      run: msbuild $env:Solution_Name_install /t:Restore /p:Configuration=$env:Configuration
+      env:
+        Configuration: ${{ matrix.configuration }}
+
     # # Decode the base 64 encoded pfx and save the Signing_Certificate
     # - name: Decode the pfx
     #   run: |