Org chart does not update when value property changes

[ghost]

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[ X] bug report
[ ] feature request
[ ] support request => Please do not submit support request here, instead see https://forum.primefaces.org/viewforum.php?f=57

Plunkr Case (Bug Reports)
Link to plunker

Current behavior
When the Org Chart's 'value' property is updated the chart does not re-display with the new data.

Expected behavior
The chart should refresh

Minimal reproduction of the problem with instructions
See the plunker above.

• React version:
  16.2.0

• PrimeReact version:
  1.5.1

• Browser: Chrome 65.0.3325 | Firefox 59.0.2

• Language: TypeScript 2.8.1 | Whatever plunker uses

[mertsincan]

Thanks a lot for the PR! I think we can solve it without setState. Fixed now.