Feat/decline order edit (#2234)

**What**
- Decline an order edit from a store endpoint
- Refactor totals setting to a service method

Fixes CORE-502

packages/medusa-react/src/hooks/store/order-edits/index.ts

@@ -1 +1,2 @@
 export * from "./queries"
+export * from './mutations'

packages/medusa-react/src/hooks/store/order-edits/mutations.ts

@@ -0,0 +1,33 @@
+import { useMutation, UseMutationOptions, useQueryClient } from "react-query"
+import { Response } from "@medusajs/medusa-js"
+
+import {
+  StorePostOrderEditsOrderEditDecline,
+  StoreOrderEditsRes
+} from "@medusajs/medusa"
+
+import { buildOptions } from "../../utils/buildOptions"
+import { useMedusa } from "../../../contexts"
+import { orderEditQueryKeys } from "."
+
+export const useDeclineOrderEdit = (
+  id: string,
+  options?: UseMutationOptions<
+    Response<StoreOrderEditsRes>,
+    Error,
+    StorePostOrderEditsOrderEditDecline
+  >
+) => {
+  const { client } = useMedusa()
+  const queryClient = useQueryClient()
+
+  return useMutation(
+    (payload: StorePostOrderEditsOrderEditDecline) =>
+      client.orderEdits.decline(id, payload),
+    buildOptions(
+      queryClient,
+      [orderEditQueryKeys.lists(), orderEditQueryKeys.detail(id)],
+      options
+    )
+  )
+}