RFR: 8290765: Remove parent disabled/treeVisible listeners

[Ambarish Rapte]

On Thu, 21 Jul 2022 04:43:15 GMT, Michael Strauß <mstrauss at openjdk.org> wrote:

> `Node` adds InvalidationListeners to its parent's `disabled` and `treeVisible` properties and calls its own `updateDisabled()` and `updateTreeVisible(boolean)` methods when the property values change.
> 
> These listeners are not required, since `Node` can easily call the `updateDisabled()` and `updateTreeVisible(boolean)` methods on its children, saving the memory cost of maintaining listeners and bindings.

Tested with some layout and controls. LGTM.

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Marked as reviewed by arapte (Reviewer).

PR: https://git.openjdk.org/jfx/pull/841