Update vc1 invalid transfer pruning

Closes #2065 Thanks @WEERSOQUEER !

Single evo species weren't getting flagged in the evolution verification
as they early returned (species matched), just move the sanity check
before that

PKHeX.Core/Legality/Encounters/Verifiers/EvolutionVerifier.cs

@@ -29,14 +29,14 @@ namespace PKHeX.Core
         /// <returns>Evolution is valid or not</returns>
         private static bool IsValidEvolution(PKM pkm, LegalInfo info)
         {
+            if (info.EvoChainsAllGens[pkm.Format].Count == 0)
+                return false; // Can't exist as current species
             int species = pkm.Species;
             if (info.EncounterMatch.Species == species)
                 return true;
             if (info.EncounterMatch.EggEncounter && species == 350 && pkm.Format >= 5 && !pkm.IsUntraded) // Prism Scale
                 return true;
 
-            if (EvolutionChain.GetEvoChainSpeciesIndex(info.EvoChainsAllGens[pkm.Format], pkm.Species) < 0)
-                return false; // Can't exist as current species
             if (info.Generation > 0 && info.EvoChainsAllGens[info.Generation].All(z => z.Species != info.EncounterMatch.Species))
                 return false; // Can't exist as origin species
 

PKHeX.Core/Legality/Evolutions/EvolutionChain.cs

@@ -69,7 +69,11 @@ namespace PKHeX.Core
                 while (mostEvolved.Species > maxspeciesgen)
                 {
                     if (queue.Count == 0)
+                    {
+                        if (g <= 2 && pkm.VC1)
+                            GensEvoChains[pkm.Format] = NONE; // invalidate here since we haven't reached the regular invalidation
                         return GensEvoChains;
+                    }
                     if (mostEvolved.RequiresLvlUp)
                     {
                         // This is a gen 3 pokemon in a gen 4 phase evolution that requires level up and then transfered to gen 5+