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

integration-tests/http/__tests__/campaigns/admin/campaigns.spec.ts

@@ -17,7 +17,7 @@ export const campaignData = {
   budget: {
     type: CampaignBudgetType.SPEND,
     limit: 1000,
-    currency_code: "USD",
+    currency_code: "usd",
   },
 }
 
@@ -31,7 +31,7 @@ export const campaignsData = [
     budget: {
       type: CampaignBudgetType.SPEND,
       limit: 1000,
-      currency_code: "USD",
+      currency_code: "usd",
     },
   },
   {
@@ -56,7 +56,7 @@ const promotionData = {
     target_type: "items",
     type: "fixed",
     allocation: "each",
-    currency_code: "USD",
+    currency_code: "usd",
     value: 100,
     max_quantity: 100,
     target_rules: [
@@ -122,7 +122,7 @@ medusaIntegrationTestRunner({
             value: 100,
             max_quantity: 100,
             target_rules: [],
-            currency_code: "USD",
+            currency_code: "usd",
           },
           rules: [],
         }