feat(dashboard,js-sdk,admin-shared): add customer addresses + layout change (#11871)

what:

- changes customer layout from 1 layout to 2
- adds ability to create and delete customer addresses
- adds 2 customer widget locations
- adds is_giftcard=false by default to products list

<img width="1663" alt="Screenshot 2025-03-08 at 21 34 02" src="https://github.com/user-attachments/assets/e66f05da-718c-4c25-81ce-67ba0a814ca3" />

packages/admin/admin-shared/src/extensions/widgets/constants.ts

@@ -10,6 +10,8 @@ const ORDER_INJECTION_ZONES = [
 const CUSTOMER_INJECTION_ZONES = [
   "customer.details.before",
   "customer.details.after",
+  "customer.details.side.before",
+  "customer.details.side.after",
   "customer.list.before",
   "customer.list.after",
 ] as const