Resolve "Make hammer.py work with FreeBSD 14"

Closes #3470 (closed).

• 613738d0 make hammer.py work better with freebsd 14+

  • Remove unnecessary SET PASSWORD for mysql
  • Remove redundant sysrc postgresql_enable=yes. It is done later when enabling the service.
  • Determine /var/db/postgres/data* using glob.
  • Add interactive=true to onestart command.