feat: Completely revamp the pricing module (#7852)

* feat: Completely revamp the pricing module

* chore: Update all places to the new pricing interfaces

* fix: Remove unnecessary join to itself

* chore: Add data migration for existing users

* fix: Apply the correct index to price rule

packages/modules/pricing/src/joiner-config.ts

@@ -4,15 +4,14 @@ import {
   MapToConfig,
   Modules,
 } from "@medusajs/utils"
-import { Price, PriceList, PriceSet, RuleType } from "@models"
+import { Price, PriceList, PriceSet } from "@models"
 
 export const joinerConfig = defineJoinerConfig(Modules.PRICING, {
-  entityQueryingConfig: [PriceSet, PriceList, Price, RuleType],
+  entityQueryingConfig: [PriceSet, PriceList, Price],
   linkableKeys: {
     price_set_id: PriceSet.name,
     price_list_id: PriceList.name,
     price_id: Price.name,
-    rule_type_id: RuleType.name,
   },
 })