teller set in casher

src/app/cashier/cashier-position/cashier-position.component.ts

@@ -85,6 +85,9 @@ export class CashierPositionComponent implements OnInit {
         .pipe(catchError(() => of([] as any[])))
         .subscribe((list) => {
           this.tellers = (list || []).map((t: any) => ({ id: t.id, name: t.name }));
+          if (this.tellers.length === 1) {
+            this.onTellerSelect(this.tellers[0].id);
+          }
         });
     }
   }
@@ -137,6 +140,9 @@ export class CashierPositionComponent implements OnInit {
       .pipe(catchError(() => of({ cashiers: [] })))
       .subscribe((r: any) => {
         this.cashiers = (r?.cashiers || []).map((c: any) => ({ id: c.id, label: c.staffName }));
+        if (this.cashiers.length === 1) {
+          this.selectedCashierId = this.cashiers[0].id;
+        }
       });
   }