Reformatted the deploy script and fixed the files being used for deployment.

Author: AP-traible

.github/workflows/preview-deploy.yml

@@ -112,13 +112,19 @@ jobs:
 
   pages:
     needs: deploy
+    runs-on: ubuntu-latest
+
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
-    runs-on: ubuntu-latest
+
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: Switch branch
+
+        run: |
+          git checkout --orphan preview-deployment
       - name: Setup Pages
         uses: actions/configure-pages@v5
       - name: Upload artifact