Reconsider hard coded timeout in mesh onSize function:

https://github.com/zkoss/zk/blob/v8.5.2.1/zul/src/archive/web/js/zul/mesh/MeshWidget.js#L1083-L1087

Arbitrary timeouts make it hard to know when the client side is "done" rendering. This in turn makes it more difficult to apply 3rd party JS e.g. to highlight fulltext search results in a grid/listbox/tree.

If possible replace it in with more controllable mechanisms (zwatch onCommandReady) or fire a client side event when the timeout actually performs the update.