Fix CanInhabitGen1 comparison

extracted and forgot to double check the boolean comparison when
inverting the return value

https://projectpokemon.org/home/forums/topic/46148-bug-gen-1-moves-and-legendaries-incorrectly-flagged-in-gen-2-game/

Thanks Raptor385!

PKHeX.Core/Legality/Core.cs

@@ -1258,7 +1258,7 @@ internal static bool CanInhabitGen1(this PKM pkm)
             if (pkm is PK2 pk2 && pk2.CaughtData != 0)
                 return false;
             int species = pkm.Species;
-            if (species > MaxSpeciesID_1 || !FutureEvolutionsGen1.Contains(species))
+            if (species > MaxSpeciesID_1 && !FutureEvolutionsGen1.Contains(species))
                 return false;
             return true;
         }