Steps to Reproduce

1. just create a splitlayout with the default setting.

Current Result

its splitter's cursor css is s-resize which indicates one direction only resizable.

<div id="tKGX1-splitter" class="z-splitlayout-splitter z-splitlayout-splitter-vertical" style="display: block; cursor: s-resize; width: 1013px;">...</div>

Expected Result

cursor should be ns-resize/row-resize and ew-resize/col-resize