p-tree: Selection does not work using the filter

[gpaschke]

Describe the bug

Selecting a node on a filtered tree will always return the first tree node in $event using (onNodeSelect)="selectNode($event)" or [(selection)]

Environment

See below

Reproducer

https://stackblitz.com/edit/github-x5dcwr?file=src/app/app.component.html

Angular version

15.1.0

PrimeNG version

15.2.0

Build / Runtime

Angular CLI App

Language

TypeScript

Node version (for AoT issues node --version)

19.7.0

Browser(s)

No response

Steps to reproduce the behavior

1. Filter a tree
2. Select any node except the first one
3. Check the result of (onNodeSelect)="selectNode($event)"

Expected behavior

Selecting a node on a filtered tree should update the selected tree node [(selection)] (onNodeSelect) -> $event.

[mastersys-giovanni]

16.8 same

[gbarrt20]

@mastersys-giovanni @gpaschke its because of this https://github.com/primefaces/primeng/issues/11418#issuecomment-1098225766

missing key for node