fix: product was delete on not send list product

src/controllers/05-quotation-controller.ts

@@ -763,10 +763,12 @@ export class QuotationController extends Controller {
                 },
               }
             : undefined,
-          productServiceList: {
-            deleteMany: {},
-            create: list,
-          },
+          productServiceList: list
+            ? {
+                deleteMany: {},
+                create: list,
+              }
+            : undefined,
           updatedByUserId: req.user.sub,
         },
       });