p-treetable not filtering when only one parent is present

[jorgefgm]

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Current behavior
p-treetable filter option doesn't work when you only have one parent, it doesn't filter through the childs

Expected behavior
Filter data even when you only have one parent.

Minimal reproduction of the problem with instructions
https://stackblitz.com/edit/github-3dtpnj

What is the motivation / use case for changing the behavior?
Missing functionality

Please tell us about your environment:

• Angular version: 7.2.9
• PrimeNG version: 7.1.3
• Browser: all

[mertsincan]

Hi @Gretam11,

Thanks a lot for the PR! Unfortunately, your fix does not work in some cases. Could you please try my fix?

Thanks again.

[Gretam11]

Hi @mertsincan,
I've checked new version and it works well there, thank you for fixing it!
I will close my PR then.

[mertsincan]

Glad to hear, thanks a lot for the update!

Best Regards,