feat(db): add registration relation to lab orders

src/entity/emr/emr_laboratory_orders.ts

@@ -16,6 +16,7 @@ import { User } from "../users";
 import { Department } from "../department";
 import { EmrLaboratoryOrderItem } from "./emr_laboratory_order_items";
 import { LaboratoryOrderStatus } from "../../enum/laboratoryOrderStatus";
+import { EmrRegistration } from "./emr_registration";
 
 /**
  * Laboratory orders entity.
@@ -35,6 +36,10 @@ export class EmrLaboratoryOrder {
     @Column({ type: "text", nullable: true })
     notes: string;
 
+    @ManyToOne(() => EmrRegistration, { onDelete: "NO ACTION", nullable: true })
+    @JoinColumn()
+    registration: EmrRegistration;
+
     @ManyToOne(() => EmrPatient, { onDelete: "NO ACTION" })
     @JoinColumn()
     patient: EmrPatient;