Fix output path and variable references in iOS demo build workflow

.github/workflows/build-ios-demos.yml

@@ -108,19 +108,19 @@ jobs:
           zip -r9q MASTestApp.zip Payload
           mv MASTestApp.zip MASTestApp.ipa
           mkdir -p "$GITHUB_WORKSPACE/output"
-          mv MASTestApp.ipa "output/$(basename '${{ matrix.demo }}').ipa"
+          mv MASTestApp.ipa "$GITHUB_WORKSPACE/output/$(basename "${{ matrix.demo }}").ipa"
 
       - name: Set IPA name variable
         id: set_ipa_name
-        run: echo "IPA_NAME=$(basename '${{ matrix.demo }}').ipa" >> $GITHUB_ENV
+        run: echo "IPA_NAME=$(basename "${{ matrix.demo }}").ipa" >> $GITHUB_ENV
 
       - name: List generated IPA
         run: |
           echo "Listing generated IPA in output directory:"
-          ls -l output/
+          ls -l "$GITHUB_WORKSPACE/output" || echo "No IPA found."
 
       - name: Upload IPA
         uses: actions/upload-artifact@v4
         with:
           name: "${{ env.IPA_NAME }}"
-          path: "output/${{ env.IPA_NAME }}"
+          path: "$GITHUB_WORKSPACE/output/${{ env.IPA_NAME }}"