private GTreeNode findFolderNodeChild(GTreeNode node, String text) {
		List<GTreeNode> children = node.getChildren();
		for (GTreeNode child : children) {
			if ((child instanceof DomainFolderNode) && child.getName().equals(text)) {
				return child;
			}
		}
		return null;
	}
Adds or removes the filter from the tree.

@param enabled Tree adds the filter; false removes it
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatree/ProjectDataTreePanel.java