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/integration-tests/__fixtures__/price-rule/data.ts

@@ -6,7 +6,7 @@ export const defaultPriceRuleData = [
   {
     id: "price-rule-1",
     price_set_id: "price-set-1",
-    rule_type_id: "rule-type-1",
+    attribute: "currency_code",
     value: "USD",
     price_list_id: "test",
     price_id: "price-set-money-amount-USD",
@@ -14,7 +14,7 @@ export const defaultPriceRuleData = [
   {
     id: "price-rule-2",
     price_set_id: "price-set-2",
-    rule_type_id: "rule-type-2",
+    attribute: "region_id",
     value: "region_1",
     price_list_id: "test",
     price_id: "price-set-money-amount-EUR",

packages/modules/pricing/integration-tests/__fixtures__/price-rule/index.ts

@@ -16,7 +16,7 @@ export async function createPriceRules(
     const priceRuleDataClone: CreatePriceRuleDTO = { ...priceRuleData }
 
     priceRuleDataClone.price_set_id = priceRuleDataClone.price_set_id
-    priceRuleDataClone.rule_type_id = priceRuleDataClone.rule_type_id
+    priceRuleDataClone.attribute = priceRuleDataClone.attribute
     priceRuleDataClone.price_id = priceRuleDataClone.price_id
 
     const priceRule = manager.create(PriceRule, priceRuleDataClone)