feat(core-flows, product): options checks on product create/update (#9171)

**What**
- validate that variants are unique with respect to options on product update/create and variant update/create
- validate that the product has options upon creation
- ensure variants have the same number of option values as the product has options
- admin error handling
- update tests

---

FIXES FRMW-2707 CC-556

integration-tests/http/__tests__/collection/admin/colllection.spec.ts

@@ -49,6 +49,7 @@ medusaIntegrationTestRunner({
           "/admin/products",
           {
             title: "test-product",
+            options: [{ title: "size", values: ["x", "l"] }],
           },
           adminHeaders
         )
@@ -59,6 +60,7 @@ medusaIntegrationTestRunner({
           "/admin/products",
           {
             title: "test-product1",
+            options: [{ title: "size", values: ["x", "l"] }],
           },
           adminHeaders
         )