fix(order): searchable fields (#9493)

FIXES: TRI-353

packages/modules/order/src/models/order.ts

@@ -1,6 +1,7 @@
 import { DAL } from "@medusajs/framework/types"
 import {
   OrderStatus,
+  Searchable,
   createPsqlIndexStatementHelper,
   generateEntityId,
 } from "@medusajs/framework/utils"
@@ -90,6 +91,7 @@ export default class Order {
   @PrimaryKey({ columnType: "text" })
   id: string
 
+  @Searchable()
   @Property({ autoincrement: true, primary: false })
   @DisplayIdIndex.MikroORMIndex()
   display_id: number
@@ -130,6 +132,7 @@ export default class Order {
   @IsDraftOrderIndex.MikroORMIndex()
   is_draft_order: boolean = false
 
+  @Searchable()
   @Property({ columnType: "text", nullable: true })
   email: string | null = null