Add call rate check for SOS hidden ability

Probably could just yeet the encounter data for these impossible-to-reach SOS's since they're duplicate with the non-SOS slots, but whatever.

PKHeX.Core/Legality/Verifiers/AbilityVerifier.cs

@@ -294,6 +294,10 @@ private CheckResult VerifyAbility7(LegalityAnalysis data, IEncounterable enc)
                 bool valid = slot.Area.Type == SlotType.SOS;
                 if (!valid)
                     return GetInvalid(LAbilityMismatchSOS);
+
+                var pi = PersonalTable.USUM[slot.Species];
+                if (pi.EscapeRate == 0) // Can't SOS
+                    return GetInvalid(LAbilityHiddenFail);
             }
             if (Legal.Ban_NoHidden7.Contains(pkm.SpecForm) && pkm.AbilityNumber == 4)
                 return GetInvalid(LAbilityHiddenUnavailable);