message: Check day cell is disabled before trigger action
diff: @@ -123,7 +123,7 @@ export class BsDaterangepickerContainerComponent extends BsDatepickerAbstractCom
  }
  monthSelectHandler(day: CalendarCellViewModel): void {
  - if (!day) {
  + if (!day || day.isDisabled) {
  return;
  }
  @@ -149,7 +149,7 @@ export class BsDaterangepickerContainerComponent extends BsDatepickerAbstractCom
  }
  yearSelectHandler(day: CalendarCellViewModel): void {
  - if (!day) {
  + if (!day || day.isDisabled) {
  return;
  }
  