fix(promotion): check currency when computing actions for promotions (#13084)

* fix(promotion): check currency when computing actions for promotions

* chore: fix tests

* chore: fix more specs

packages/modules/promotion/integration-tests/__fixtures__/campaigns/data.ts

@@ -11,7 +11,7 @@ export const defaultCampaignsData = [
     budget: {
       type: CampaignBudgetType.SPEND,
       limit: 1000,
-      currency_code: "USD",
+      currency_code: "usd",
       used: 0,
     },
   },
@@ -25,7 +25,7 @@ export const defaultCampaignsData = [
     budget: {
       type: CampaignBudgetType.USAGE,
       limit: 1000,
-      currency_code: "USD",
+      currency_code: "usd",
       used: 0,
     },
   },