[web] fix import products script when tax code is null (#30605)

GitOrigin-RevId: 32ca603376db7f186283514067178d27038a865d

services/web/scripts/stripe/import_products_to_environment.mjs

@@ -100,7 +100,6 @@ async function createProduct(stripe, productData) {
     name: productData.name,
     active: productData.active,
     metadata: productData.metadata,
-    tax_code: productData.tax_code,
     images: productData.images,
   }
 
@@ -108,6 +107,10 @@ async function createProduct(stripe, productData) {
     params.description = productData.description
   }
 
+  if (productData.tax_code) {
+    params.tax_code = productData.tax_code
+  }
+
   return await stripe.products.create(params)
 }