subAnnotations for all types of axioms

Currently, subAnnotations are available for display only for annotation axioms. We need to extend this to all types of axioms, including logical axioms. An example of the latter is in the IDMP ontology:
https://github.com/edmcouncil/idmp/blob/7dc1703841939a32c1c8c7719b23495de70a34df/ISO/ISO11238-Substances.rdf#L5601-L5612