private void popuplateDataTypeList(List<DataType> list, Category category) {
		for (Category childCategory : category.getCategories()) {
			popuplateDataTypeList(list, childCategory);
		}
		list.addAll(Arrays.asList(category.getDataTypes()));
	}
This method should be invoked following an undo/redo or a transaction rollback situation.
This will notify {@link DataTypeManagerChangeListenerHandler} and its listeners that this 
manager has just been restored (e.g., undo/redo/rollback).
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/DataTypeManagerDB.java