No it doesn't. It bases it on the flags.conf first (if present) then the default list of .net/.com/.org = .us and all country codes matching up. If the domain isn't giving the proper flag, check to make sure it's in the .conf file
Can you please read changelogs and previous posts? Always show dialog on manual add got folded in to the show a dialog that shows the files in the torrent (because too many people couldn't deal with the two settings thing).