test(orders): widen makePb override param to a plain record

src/lib/server/order-delivery-note-link-service.test.ts

@@ -18,7 +18,7 @@ interface CollectionMock {
   update?: ReturnType<typeof vi.fn>;
 }
 
-function makePb(overrides: Partial<Record<string, CollectionMock>> = {}) {
+function makePb(overrides: Record<string, CollectionMock> = {}) {
   const defaults: Record<string, CollectionMock> = {
     [ORDERS]: {
       getOne: vi.fn().mockResolvedValue({ id: "ord1", company: "co1" }),