src/vs/workbench/browser/parts/views/checkbox.ts/TreeItemCheckbox/setCheckbox
class TreeItemCheckbox:	private setCheckbox(node: ITreeItem) {
		if (this.toggle && node.checkbox) {
			node.checkbox.isChecked = this.toggle.checked;
			this.toggle.setIcon(this.toggle.checked ? Codicon.check : undefined);
			this.toggle.setTitle(this.createCheckboxTitle(node.checkbox));
			this.checkboxStateHandler.setCheckboxState(node);
		}
	}