feat(auth): Revamp authentication setup (#7387)

* chore: Clean up authentication middlewares

* chore: Rename AuthUser to AuthIdentity

* feat: Define link between user, customer, and auth identity

* feat: Use links for auth, update auth context content

* fix: Adjust user create command with new auth setup

* fix: Make auth login more dynamic, review fixes

* fix: Change test assertions for created by

packages/medusa/src/api/store/orders/route.ts

@@ -17,7 +17,10 @@ export const GET = async (
   const queryObject = remoteQueryObjectFromString({
     entryPoint: "order",
     variables: {
-      filters: { ...req.filterableFields, customer_id: req.auth.actor_id },
+      filters: {
+        ...req.filterableFields,
+        customer_id: req.auth_context.actor_id,
+      },
       ...req.remoteQueryConfig.pagination,
     },
     fields: req.remoteQueryConfig.fields,