private SymbolCategoryNode getModelNode(SymbolCategoryNode node) {
		GTree gTree = node.getTree();
		if (gTree != null) {
			SymbolCategoryNode modelNode = (SymbolCategoryNode) gTree.getModelNode(node);
			if (node != modelNode) {
				return modelNode;
			}
		}
		return node;
	}
A version of the Symbol Tree's root node that allows users to disable categories.  The categories
themselves track their enabled state.  This class supports the cloning of a 
{@link DisconnectedSymbolTreeProvider} by copying the categories' enable state.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/symboltree/nodes/ConfigurableSymbolTreeRootNode.java