(PDB-2252) mq: fix BytesMessages receipt
(PDB-2252) mq: fix BytesMessages receipt

There's a readUTF method which reads "File System Safe UCS
Transformation Format (FSS_UTF)", but not a readUTF8.  Instead just read
the bytes and convert them via String.

mullr/puppetdb,mullr/puppetdb,senior/puppetdb,puppetlabs/puppetdb,kbarber/puppetdb,rbrw/puppetdb,rbrw/puppetdb,waynr/puppetdb,rbrw/puppetdb,waynr/puppetdb,senior/puppetdb,senior/puppetdb,rbrw/puppetdb,senior/puppetdb,waynr/puppetdb,kbarber/puppetdb,puppetlabs/puppetdb,mullr/puppetdb,rbrw/puppetdb,waynr/puppetdb,kbarber/puppetdb,puppetlabs/puppetdb,mullr/puppetdb,kbarber/puppetdb,puppetlabs/puppetdb,puppetlabs/puppetdb,mullr/puppetdb