firewall / alias, work in progress for https://github.com/opnsense/core/issues/1971 missed a check if the alias filename was already there.
firewall / alias, work in progress for https://github.com/opnsense/core/issues/1971 missed a check if the alias filename was already there.

opnsense/core,opnsense/core,opnsense/core,opnsense/core,opnsense/core,opnsense/core