fix(dashboard): variant update success toast (#9325)

FIXES CC-509

packages/admin/dashboard/src/i18n/translations/en.json

@@ -534,7 +534,8 @@
     },
     "variant": {
       "edit": {
-        "header": "Edit Variant"
+        "header": "Edit Variant",
+        "success": "Product variant edited sucessfully"
       },
       "create": {
         "header": "Variant details"

packages/admin/dashboard/src/routes/product-variants/product-variant-edit/components/product-edit-variant-form/product-edit-variant-form.tsx

@@ -1,5 +1,5 @@
 import { zodResolver } from "@hookform/resolvers/zod"
-import { Button, Heading, Input, Switch } from "@medusajs/ui"
+import { Button, Heading, Input, Switch, toast } from "@medusajs/ui"
 import { useForm } from "react-hook-form"
 import { useTranslation } from "react-i18next"
 import { z } from "zod"
@@ -113,6 +113,7 @@ export const ProductEditVariantForm = ({
       {
         onSuccess: () => {
           handleSuccess("../")
+          toast.success(t("products.variant.edit.success"))
         },
       }
     )