feat: refactor module joiner config and links generation (#7859)

* feat: refactor module joiner config and links generation

* improve typings

* WIP

* WIP

* WIP

* rename type file

* create link config

* finish typings and add utils

* improve links

* WIP typings

* finalize ExportModule utils

* finalize ExportModule utils

* fix: dml tests

* improve and fixes

* simplify typings with id changes

* add toJSON

* multiple fixes and entity builder fixes

* fix currency searchable

* fix tests

* medusa service refactoring

* cleanup

* cleanup and fixes

* make module name optional

* renaming

---------

Co-authored-by: Harminder Virk <virk.officials@gmail.com>

packages/modules/currency/src/services/currency-module-service.ts

@@ -13,7 +13,7 @@ import {
 
 import { MedusaService } from "@medusajs/utils"
 import { Currency } from "@models"
-import { entityNameToLinkableKeysMap, joinerConfig } from "../joiner-config"
+import { joinerConfig } from "../joiner-config"
 
 type InjectedDependencies = {
   baseRepository: DAL.RepositoryService
@@ -22,8 +22,8 @@ type InjectedDependencies = {
 
 export default class CurrencyModuleService
   extends MedusaService<{
-    Currency: { dto: CurrencyTypes.CurrencyDTO }
-  }>({ Currency }, entityNameToLinkableKeysMap)
+    Currency: { dto: CurrencyTypes.CurrencyDTO; model: typeof Currency }
+  }>({ Currency })
   implements ICurrencyModuleService
 {
   protected baseRepository_: DAL.RepositoryService