filter: list_states.py, validate if nat destination contains a port. closes https://github.com/opnsense/core/issues/4210
filter: list_states.py, validate if nat destination contains a port. closes https://github.com/opnsense/core/issues/4210

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