Fix ninja battery drain debug assertion (#36461)

Fix ninja battery drain using wrong uid

Content.Server/Ninja/Systems/BatteryDrainerSystem.cs

@@ -106,6 +106,6 @@ public sealed class BatteryDrainerSystem : SharedBatteryDrainerSystem
         _popup.PopupEntity(Loc.GetString("battery-drainer-success", ("battery", target)), uid, uid);
 
         // repeat the doafter until battery is full
-        return !_battery.IsFull(ent, battery);
+        return !_battery.IsFull(comp.BatteryUid.Value, battery);
     }
 }