Fix bugs with release build

1. Ensure we check out the repo during the Installer build.

2. Avoid the erroring working-directory on artifact fetch.

3. Move the item into place later.

.github/workflows/release-build.yaml

@@ -439,9 +439,15 @@ jobs:
 
           echo "JELLYFIN_VERSION=$cleanVersion" | Out-File -FilePath $env:GITHUB_ENV -Append
 
+      - name: "Checkout repository"
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - name: "Prepare repository"
+        run: |-
+          python checkout.py ${{ inputs.version || 'master' }}
+
       - name: "Fetch artifact from previous stage"
         uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4
-        working-directory: ./jellyfin-server-windows
         with:
           name: windows-x64
 
@@ -455,6 +461,7 @@ jobs:
       - name: "Extract Jellyfin server archive"
         working-directory: ./jellyfin-server-windows
         run: |
+          Move-Item -Path $(Resolve-Path ..\jellyfin_*-amd64.zip) -Destination $(Resolve-Path .\)
           Expand-Archive 'jellyfin_*-amd64.zip'
           Copy-Item ".\nssm\nssm.exe" -Destination $(Resolve-Path .\jellyfin\jellyfin)