message: use mol2 mol_name for entity name when available
diff: @@ -48,7 +48,7 @@ async function getModels(mol2: Mol2File, ctx: RuntimeContext): Promise<Model[]>
  }, atoms.count);
  const entityBuilder = new EntityBuilder();
  - entityBuilder.setNames([['MOL', 'Unknown Entity']]);
  + entityBuilder.setNames([['MOL', molecule.mol_name || 'Unknown Entity']]);
  entityBuilder.getEntityId('MOL', MoleculeType.Unknown, 'A');
  const componentBuilder = new ComponentBuilder(atoms.subst_id, atoms.atom_name);
  