Add case pack field to product CRUD form.

tailbone/views/products.py

@@ -277,6 +277,7 @@ class ProductCrud(CrudView):
                 fs.brand.with_renderer(BrandFieldRenderer),
                 fs.description,
                 fs.size,
+                fs.case_pack,
                 fs.department,
                 fs.subdepartment,
                 fs.category,