Solution building becomes composite action

Moving environment prep & solution building into its own composite action, which makes much more sense then trying to split workflow up between jobs.

.github/actions/build-solution/action.yaml

@@ -0,0 +1,36 @@
+name: "Build Solution"
+description: "Execute MSBuild with desired settings."
+inputs:
+      build-mode:
+        description: 'Solution build mode passed to MSBuild.'
+        required: true
+
+      version:
+        description: 'Version number to refer to this build and its assets, in the form `major.minor.build`.'
+        required: true
+
+      compile-langs:
+        description: 'Install the Multilingual App Toolkit extension, so that languages are compiled.'
+        required: true
+
+runs:
+  using: "composite"
+  steps:
+    - name: Setup MSBuild
+      uses: microsoft/setup-msbuild@v1
+    - name: Restore Packages
+      working-directory: WinNUT_V2
+      shell: pwsh
+      run: msbuild $env:SLN_DIR -t:restore
+    - name: Install Multilingual App Toolkit extension
+      if: inputs.compile-langs == 'true'
+      uses: microcompiler/install-vsix@db1f973c3d24d1ddc0c38f14d0e1e3a85b2ccb21
+      with:
+        packagename: 'dts-publisher.mat2022'
+    - name: Build solution
+      shell: pwsh
+      working-directory: WinNUT_V2
+      run: >
+        msbuild WinNUT_V2.sln -nologo
+        -property:Configuration=${{ inputs.build-mode }}
+        -property:Version=${{ inputs.version }}

.github/workflows/build-debug.yaml

@@ -1,5 +1,3 @@
-# Build the solution to verify a successful build in debug mode.
-
 name: build-debug
 
 on:
@@ -15,26 +13,24 @@ env:
   SHORT_SHA:
 
 jobs:
-  prepare-environment:
+  build-debug:
     runs-on: windows-latest
     steps:
-      - name: Get short SHA
+      - name: "Get Short SHA"
+        id: "get-short-sha"
+        shell: pwsh
         run: echo "SHORT_SHA=$("${{ github.sha }}".SubString(0, 8))" >> $env:GITHUB_ENV
-
-  build-solution:
-    uses: ./.github/workflows/build-solution.yaml
-    with:
-      buildMode: 'Debug'
-      version: '2.2.*'
-      compileLangs: false
-
-  build-debug:
-    needs: build-solution
-    # runs-on: windows-latest
-    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Build solution in Debug configuration (no multilingual)
+        uses: ./.github/actions/build-solution
+        with:
+          build-mode: "Debug"
+          version: "2.2.*"
+          compile-langs: false
       - name: Package output
         uses: actions/upload-artifact@v3
         with:
-          name: ${{ format('winnut-{0}-{1}', inputs.buildMode, env.SHORT_SHA) }}
+          name: ${{ format('winnut-client-debug-{0}', env.SHORT_SHA) }}
           if-no-files-found: error
-          path: WinNUT_V2/WinNUT_GUI/bin/Debug
+          path: WinNUT_V2/WinNUT-Client/bin/Debug