Data-EmbedScrollbar
From Documentation
To show the position of zk customized scrollbar, the mesh widget component (like Grid, Listbox, and Tree) and the layout region component (like Center, South, North, and so on) should apply data-embedscrollbar attribute.
<div xmlns:ca="client/attribute">
<grid ca:data-embedscrollbar="false"></grid>
</div>
Default value: true since 7.0.2 Default value: false since 7.0.0