Remove character limit from CSS test - check entire file instead

Co-authored-by: rajbos <6085745+rajbos@users.noreply.github.com>

Author: Copilot

.github/workflows/deploy-to-pages.yml

@@ -142,7 +142,7 @@ jobs:
           echo "Testing CSS bundle at: $CSS_URL"
           CSS_CONTENT=$(curl -fsSL "$CSS_URL" || exit 1)
           
-          if echo "$CSS_CONTENT" | head -c 2000 | grep -q "body\|html\|\."; then
+          if echo "$CSS_CONTENT" | grep -q "body\|html\|\."; then
             echo "✅ CSS bundle is accessible and contains expected styles"
           else
             echo "❌ CSS bundle is not accessible or doesn't contain expected styles"