Fixed autoheight Plugin onscroll error
Fixed autoheight Plugin onscroll error

修复 autoheight 插件在 UE 实例销毁后，因 onscroll 事件监听没有正常取消监听导致 me.window 报 undefined 错误的问题
fex-team/ueditor,notadd/neditor,fex-team/ueditor,fex-team/ueditor,fex-team/ueditor,fex-team/ueditor,fex-team/ueditor,notadd/neditor,notadd/neditor