@Override
	public List<GTreeNode> generateChildren(TaskMonitor monitor) throws CancelledException {
		// not used, children generated in constructor
		return null;
	}
Inserts the given node into this organization node which is different than calling the
{@link #addNode(GTreeNode)} method, which is used during construction.  This method knows
how to recursively find the correct {@link OrganizationNode} node into which the given
node should be inserted.

@param newNode the node to insert.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/symboltree/nodes/OrganizationNode.java