fix(medusa): Add missing relations when creating return (#3870)

.changeset/forty-feet-vanish.md

@@ -0,0 +1,5 @@
+---
+"@medusajs/medusa": patch
+---
+
+fix(medusa): Add missing relations when creating return

packages/medusa/src/services/return.ts

@@ -513,7 +513,7 @@ class ReturnService extends TransactionBaseService {
         {
           id: returnOrder.items.map(({ item_id }) => item_id),
         },
-        { relations: ["tax_lines"] }
+        { relations: ["tax_lines", "variant", "variant.product"] }
       )
 
       returnData.items = returnOrder.items.map((item) => {