RFR: 8290040: Provide simplified deterministic way to manage listeners [v10]

[John Hendrikx]

On Sat, 10 Dec 2022 17:36:16 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> In order to move this forward, please revert the changes in `javafx.graphics` and file a follow-up Enhancement in JBS that we can use to separately discuss adding such a property to `Node`.
> 
> I also think it might be cleanest to remove the second example from the `when` API docs as a result.
> 
> Once you have reverted the changes in `Node`, please update the CSR to reflect this. You can then move the CSR to `Proposed`.

I updated the CSR to remove all references to the changes in `Node`, and moved it to proposed.

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

PR: https://git.openjdk.org/jfx/pull/830