feat(dashboard,core,modules): free shipping promotion in dashboard (#13263)

* feat(dashboard,core,modules): free shipping promotion in dashboard

* self-review

* adapt for edit to work

* changeset

* integration tests

* across for each

* remove only from tests

* remove console log

* revert to across

* update wording for shipping promotions

* modify changeset

* suggestion frane

* fix i18n schema

.changeset/chilled-tomatoes-vanish.md

@@ -0,0 +1,10 @@
+---
+"@medusajs/link-modules": patch
+"@medusajs/promotion": patch
+"@medusajs/dashboard": patch
+"@medusajs/core-flows": patch
+"@medusajs/js-sdk": patch
+"@medusajs/types": patch
+---
+
+feat(dashboard,core-flows,js-sdk,link-modules,promotion): free shipping promotion in dashboard