fix(core): Expose the `topLevelOnly` collections option in Shop API

packages/core/src/api/schema/shop-api/shop.api.graphql

@@ -181,7 +181,9 @@ input PaymentInput {
 }
 
 # generated by generateListOptions function
-input CollectionListOptions
+input CollectionListOptions {
+    topLevelOnly: Boolean
+}
 
 # generated by generateListOptions function
 input FacetListOptions