bugfix: use `->{'adaptor'}` like in the conditions
bugfix: use `->{'adaptor'}` like in the conditions

`->adaptor` is provided by Storable, which is not a parent of Locus

Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara