@summercain Do you have older non cheat saves from before you added the new packs? You can try to load your cheat save, make sure to disable cheats (testingcheats off) on the cheat save, then load the older save of your non cheat save (from before the packs) and see if you get trophies again.
Unfortunately there is no indicator on saves that they have had cheats enabled, so it's impossible to tell if a save has been affected by cheats.
Your other option would be to save the sims to your library (preferably from before they skilled up or were promoted in their job that triggers the trophies) and then place them in a new save to see if they get trophies on a new save. Doing this is fine for the smaller trophies, but would be bad for the legacy trophies as it erases their family tree.
Though if cheats somehow bled into your non-cheat save on a legacy there's nothing you can do about it except load an earlier save from before cheats were activated (before adding the packs).