chore: Inject sandbox handle in cloud config (#13879)

* chore: Inject sandbox handle in cloud config

* Create wet-seas-lie.md

* chore: rename medusaCloudOptions to cloud

* fix tests

.changeset/wet-seas-lie.md

@@ -0,0 +1,7 @@
+---
+"@medusajs/notification": patch
+"@medusajs/types": patch
+"@medusajs/utils": patch
+---
+
+chore: Inject sandbox handle in cloud config