fix(medusa): Price selection strategy bug with customer groups without customers (#4578)

* change up condition for joining price lists

* add changeset

* naming

* update tests

packages/medusa/src/api/middlewares/error-handler.ts

@@ -1,6 +1,7 @@
 import { NextFunction, Request, Response } from "express"
-import { MedusaError } from "medusa-core-utils"
+
 import { Logger } from "../../types/global"
+import { MedusaError } from "medusa-core-utils"
 import { formatException } from "../../utils"
 
 const QUERY_RUNNER_RELEASED = "QueryRunnerAlreadyReleasedError"