Ajout du ngOnDestroy dans le composant d'assignation du référentEP

src/app/referents/assignation-referent/assignation-referent.component.ts

@@ -135,6 +135,15 @@ export class AssignationReferentComponent {
         }
     }*/
 
+    ngOnDestroy() {
+        if(this.collaborateurSubscription != undefined) {
+            this.collaborateurSubscription.unsubscribe();
+        }
+        if(this.referentEPSubscription != undefined) {
+            this.referentEPSubscription.unsubscribe();
+        }
+    }
+
 }
 
 @Component({