feat(medusa): Implement premises of the creation flow of an order edit (#2187)

**What**
- Implements the admin create end point 
- Service implementation of the create method and the retrieveActive as well as the totals computation
- Improve compute line items
- client
  - medusa-js api
  - medusa-react mutations hooks

**Tests**
- Unit tests of the create end points
- Unit tests of the service create method
- Integration tests for admin that also take into account totals computations
- client
  - medusa-js tests
  - medusa-react hooks tests

FIXES CORE-491

packages/medusa-react/test/hooks/admin/order-edits/mutations.test.ts

@@ -1,7 +1,10 @@
-import { useAdminDeleteOrderEdit } from "../../../../src/"
+import {
+  useAdminCreateOrderEdit,
+  useAdminDeleteOrderEdit,
+} from "../../../../src/"
 import { renderHook } from "@testing-library/react-hooks"
-import { fixtures } from "../../../../mocks/data"
 import { createWrapper } from "../../../utils"
+import { fixtures } from "../../../../mocks/data"
 
 describe("useAdminDelete hook", () => {
   test("Deletes an order edit", async () => {
@@ -11,7 +14,6 @@ describe("useAdminDelete hook", () => {
     })
 
     result.current.mutate()
-
     await waitFor(() => result.current.isSuccess)
 
     expect(result.current.data.response.status).toEqual(200)
@@ -24,3 +26,30 @@ describe("useAdminDelete hook", () => {
     )
   })
 })
+
+describe("useAdminCreateOrderEdit hook", () => {
+  test("Created an order edit", async () => {
+    const { result, waitFor } = renderHook(() => useAdminCreateOrderEdit(), {
+      wrapper: createWrapper(),
+    })
+
+    const payload = {
+      order_id: "ord_1",
+      internal_note: "This is an internal note",
+    }
+
+    result.current.mutate(payload)
+
+    await waitFor(() => result.current.isSuccess)
+
+    expect(result.current.data.response.status).toEqual(200)
+    expect(result.current.data).toEqual(
+      expect.objectContaining({
+        order_edit: {
+          ...fixtures.get("order_edit"),
+          ...payload,
+        },
+      })
+    )
+  })
+})