I figured out why commoner types weren't using civilized animations

Most changes were due to that and other behaviors I wanted ambient npcs to do.

_module/nss/oldman_sit.nss

@@ -9,5 +9,5 @@ void main()
   SetSpawnInCondition(NW_FLAG_IMMOBILE_AMBIENT_ANIMATIONS);
   ClearAllActions();
   ActionSit (GetNearestObjectByTag ("CHAIR", OBJECT_SELF));
-  DelayCommand(10.0,ExecuteScript("oldman_sit",OBJECT_SELF));
+  DelayCommand(6.0,ExecuteScript("oldman_sit",OBJECT_SELF));
 }