Ignore shiny raid pidiv correlation

Was previously ignored, but the improvements to the enum return value for Z-A caused them to get flagged

PKHeX.Core/Legality/Encounters/Templates/Gen8/EncounterStatic8Nest.cs

@@ -311,6 +311,8 @@ public SeedCorrelationResult TryGetSeed(PKM pk, out ulong seed)
                 return SeedCorrelationResult.Success;
         }
         seed = 0;
+        if (pk.IsShiny)
+            return SeedCorrelationResult.Ignore;
         return SeedCorrelationResult.Invalid;
     }