Fixed #2372 - Treeselect resolution for node ids equals to 0 (#2375)

* button extension to work with binary data

* Treeselect resolution for node ids equals to 0

Here a solution to resolve the bug:
#2372

* Update TreeSelect.js

Co-authored-by: flashboss <l.stancapiano@sourcesense.com>
Co-authored-by: Luca Stancapiano <lucastancapiano@MacBook-Pro.wind3.hub>

src/components/treeselect/TreeSelect.js

@@ -138,7 +138,7 @@ export class TreeSelect extends Component {
 
     getSelectedNodes() {
         let selectedNodes = [];
-        if (this.props.value && this.props.options) {
+        if (ObjectUtils.isNotEmpty(this.props.value) && this.props.options) {
             let keys = this.props.selectionMode === 'single' ? {[`${this.props.value}`]: true} : {...this.props.value};
             this.findSelectedNodes(null, keys, selectedNodes);
         }