Feat/bulk operations for inventory service (#4503)

* initial push

* bulk delete reservations by location ids

* add method to interface (not implemented yet)

* bulk update

* delete reservations by location id bulk

* add create bulk for inventory item

* refactor attach inventory item method

* add changeset

* verbose false

* method override instead of multiple methods

* change up method signature

* redo changes when updating interface

* update createInventoryLevel method

* rename variables

* fix feedback

* return correct string array when emitting event

* refactor inventory service

* redo order changes

* snapshot

* move prep methods

packages/medusa/src/utils/diff-set.ts

@@ -0,0 +1,14 @@
+export function getSetDifference<T>(
+  orignalSet: Set<T>,
+  compareSet: Set<T>
+): Set<T> {
+  const difference = new Set<T>()
+
+  orignalSet.forEach((element) => {
+    if (!compareSet.has(element)) {
+      difference.add(element)
+    }
+  })
+
+  return difference
+}