fix(core-flows): handle inventory kit items in mark-as-shipped/delivered flows (#12269)

* fix(core-flows): handle invetory kit items in mark-as-shipped and mark-as-delivered flows

* fix: typo

* chore: more assertion

* chore: fix comment

* Update packages/core/core-flows/src/order/workflows/create-shipment.ts

Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

* fix: undo comment

---------

Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

.changeset/modern-apricots-chew.md

@@ -0,0 +1,5 @@
+---
+"@medusajs/core-flows": patch
+---
+
+fix(core-flows): handle inventory kit items in mark-as-shipped and mark-as-delivered flows