update request entity

src/modules/request/entities/request.entity.ts

@@ -29,7 +29,8 @@ export class Request extends BaseEntity {
   @ManyToOne(() => User)
   user!: User;
 
-  @OneToMany(()=>Invoice,(invoice)=>invoice.request)
+  @OneToMany(()=>Invoice, invoice => invoice.request)
+  invoices = new Collection<Invoice>(this);
 
   @OneToMany(() => RequestItem, item => item.request, {
     cascade: [Cascade.ALL],