fix(WEB): 입고 수정 시 제조사 필드 API 전송 추가

- transformFrontendToApi()에 manufacturer 필드 매핑 추가

src/components/material/ReceivingManagement/actions.ts

@@ -494,6 +494,7 @@ function transformFrontendToApi(
   if (data.receivingDate !== undefined) result.receiving_date = data.receivingDate;
   if (data.lotNo !== undefined) result.lot_no = data.lotNo;
   if (data.supplierMaterialNo !== undefined) result.material_no = data.supplierMaterialNo;
+  if (data.manufacturer !== undefined) result.manufacturer = data.manufacturer;
 
   return result;
 }