Add static webapp preview URL to app registration

gistfile1.txt

- name: Add Preview URL to App Registration
  if: github.event_name == 'pull_request' && github.event.action != 'closed'
  env:
    PREVIEW_URL: ${{ steps.builddeploy.outputs.static_web_app_url }}
  run: |
    # Login to Azure
    az login --service-principal -u ${{ vars.AZURE_CLIENT_ID }} -p ${{ secrets.AZURE_CLIENT_SECRET }} --tenant ${{ vars.AZURE_TENANT_ID }} --allow-no-subscriptions
    
    APP_ID=${{ vars.APP_REGISTRATION_ID }}
    NEW_URI="${{steps.builddeploy.outputs.static_web_app_url}}/login-redirect"
    # Get current SPA redirect URIs
    CURRENT_URIS=$(az rest --method GET --url "https://graph.microsoft.com/v1.0/applications/$APP_ID" --query "spa.redirectUris" -o tsv)
    # Build updated list (add if not present)
    if [[ "$CURRENT_URIS" == *"$NEW_URI"* ]]; then
      UPDATED_URIS=$(echo "$CURRENT_URIS" | grep -v '^$' | jq -R . | jq -s .)
    else
      UPDATED_URIS=$(echo -e "$CURRENT_URIS\n$NEW_URI" | awk '!a[$0]++' | grep -v '^$' | jq -R . | jq -s .)
    fi
    # Update SPA redirect URIs using Microsoft Graph
    az rest --method PATCH \
      --url $GRAPH_URL "https://graph.microsoft.com/v1.0/applications/$APP_ID" \
      --headers 'Content-Type=application/json' \
      --body "{\"spa\": {\"redirectUris\": $UPDATED_URIS }}"