@Override
		protected String toString(GTreeNode node) {
			if (filterOnNameOnly) {
				return node.getName(); // the node name is the type name
			}
			return super.toString(node); // display text
		}
Only filters on name or display name, not dt contents
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/datamgr/tree/DataTypeArchiveGTree.java