[jfx20] RFR: 8290863: Update the documentation of Virtualized controls to include the best practice of not using Nodes directly in the item list [v5]

[Andy Goryachev]

On Tue, 24 Jan 2023 10:40:36 GMT, Ajit Ghaisas <aghaisas at openjdk.org> wrote:

>> This PR adds a warning about inserting Nodes directly into the virtualized containers such as ListView, TreeView, TableView and TreeTableView. It also adds code snippets showing the recommended pattern of using a custom cell factory for each of the virtualized control.
>
> Ajit Ghaisas has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Review fixes

LG

-------------

Marked as reviewed by angorya (Committer).

PR: https://git.openjdk.org/jfx/pull/995