Expose Gimmighoul form argument in editing tabs

PKHeX.Core/Legality/Verifiers/FormVerifier.cs

@@ -276,7 +276,7 @@ private CheckResult VerifyFormArgument(LegalityAnalysis data, IFormArgument f)
                 > 9_999 => GetInvalid(LFormArgumentHigh),
                 _ => arg == 0 || HasVisitedSV(data, Bisharp) ? GetValid(LFormArgumentValid) : GetInvalid(LFormArgumentNotAllowed),
             },
-            Gimmighoul  => arg switch
+            Gimmighoul => arg switch
             {
                 // Leveling up sets the save file's current coin count to the arg. If 999+, triggers level up.
                 // Without leveling up, cannot have a form arg value.

PKHeX.Core/PKM/Interfaces/IFormArgument.cs

@@ -17,6 +17,7 @@ namespace PKHeX.Core;
 /// <see cref="Basculin"/> How much damage the Pokémon has taken through recoil as Basculin-2 [0,9999].
 /// <see cref="Primeape"/> How many times the Pokémon has used Rage Fist [0,9999].
 /// <see cref="Bisharp"/> How many Bisharp that head up a group of Pawniard have been KOed [0,9999].
+/// <see cref="Gimmighoul"/> How many Gimmighoul Coins were in the player's Bag after last leveling up [0,998].
 /// <see cref="Gholdengo"/> How many Gimmighoul Coins were used on Gimmighoul to evolve into this Pokémon.
 /// <see cref="Koraidon"/> Flags whether or not this Pokémon was originally in its Ride Form (0/1).
 /// <see cref="Miraidon"/> Flags whether or not this Pokémon was originally in its Ride Form (0/1).
@@ -127,6 +128,7 @@ public static uint GetFormArgumentMax(ushort species, byte form, int generation)
             (int)Basculegion => 9999, // 294
             (int)Primeape or (int)Annihilape when generation >= 9 => 9999,
             (int)Bisharp or (int)Kingambit when generation >= 9 => 9999,
+            (int)Gimmighoul => 998,
             (int)Gholdengo => 999,
             (int)Koraidon or (int)Miraidon => 1,
             _ => 0,