feat(medusa,types,core-flows): apply created_by values - claims, exchanges, returns, fulfillment (#8712)

what:

- Applies created_by values - claims, exchanges, returns, fulfillment

RESOLVES CC-96

packages/core/core-flows/src/order/workflows/claim/begin-order-claim.ts

@@ -45,6 +45,7 @@ export const beginClaimOrderWorkflow = createWorkflow(
         type: input.type,
         order_id: input.order_id,
         metadata: input.metadata,
+        created_by: input.created_by,
       },
     ])
 

packages/core/core-flows/src/order/workflows/exchange/begin-order-exchange.ts

@@ -44,6 +44,7 @@ export const beginExchangeOrderWorkflow = createWorkflow(
       {
         order_id: input.order_id,
         metadata: input.metadata,
+        created_by: input.created_by,
       },
     ])
 

packages/core/core-flows/src/order/workflows/return/begin-return.ts

@@ -44,6 +44,7 @@ export const beginReturnOrderWorkflow = createWorkflow(
         order_id: input.order_id,
         location_id: input.location_id,
         metadata: input.metadata,
+        created_by: input.created_by,
       },
     ])