refactor: update assignment update logic to include recipientId and handle movements

src/app/(dashboard)/assignments/[assignamentId]/edit/page.tsx

@@ -1,4 +1,5 @@
 import { UpdateAssignmentFormType } from "@/lib/schemas/assignment.schemas"
+import type { Item } from "@/lib/types"
 import { AssetService } from "@/services/asset.service"
 import { AssignmentService } from "@/services/assignment.service"
 import { ItemService } from "@/services/item.service"
@@ -20,6 +21,13 @@ export default async function EditAssignmentPage({
     return <div>Assignment not found</div>
   }
 
+  let assignmentItem: Item = {} as Item
+
+  if (assignment.itemId) {
+    assignmentItem = (await ItemService.findById(assignment.itemId)) as Item
+    items.push(assignmentItem)
+  }
+
   return (
     <div>
       <AssignmentForm