DatePicker: close timepicker before dodestroy
DatePicker: close timepicker before dodestroy

Kingwl/element,huguangju/element,ElemeFE/element,Leopoldthecoder/element-1,Leopoldthecoder/element-1,Raganof/element,huguangju/element,ElemeFE/element,Kingwl/element,baiyaaaaa/element,Raganof/element,baiyaaaaa/element