Update cosplay sprite handling

Cosplay are stuck on gen6, cap pikachu can interact with bank; make
Cosplay the oddball resource.

PKHeX.Core/PKM/Util/PKX.cs

@@ -595,9 +595,10 @@ namespace PKHeX.Core
         // Data Requests
         public static string GetResourceStringBall(int ball) => $"_ball{ball}";
         private const string ResourceSeparator = "_";
-        private const string ResourcePikachuCap = "c";
+        private const string ResourcePikachuCosplay = "c";
         private const string ResourceShiny = "s";
-        public static bool AllowShinySprite = false;
+        public static bool AllowShinySprite { get; set; }
+
         public static string GetResourceStringSprite(int species, int form, int gender, int generation = Generation, bool shiny = false)
         {
             if (Legal.SpeciesDefaultFormSprite.Contains(species)) // Species who show their default sprite regardless of Form
@@ -610,8 +611,8 @@ namespace PKHeX.Core
             else if (gender == 1 && Legal.SpeciesGenderedSprite.Contains(species)) // Frillish & Jellicent, Unfezant & Pyroar
             { sb.Append(ResourceSeparator); sb.Append(gender); }
 
-            if (species == 25 && form > 0 && generation >= 7) // Pikachu
-                sb.Append(ResourcePikachuCap);
+            if (species == 25 && form > 0 && generation == 6) // Cosplay Pikachu
+                sb.Append(ResourcePikachuCosplay);
             if (shiny && AllowShinySprite)
                 sb.Append(ResourceShiny);
             return sb.ToString();

PKHeX.WinForms/Properties/Resources.resx

@@ -5956,8 +5956,8 @@
   <data name="_490_e" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\img\Pokemon Sprites\490-e.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
-  <data name="_25_7c" type="System.Resources.ResXFileRef, System.Windows.Forms">
-    <value>..\Resources\img\Pokemon Sprites\25-7c.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  <data name="_25_7" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\img\Pokemon Sprites\25-7.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
   <data name="_744_1" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\img\Pokemon Sprites\744-1.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
@@ -6742,8 +6742,8 @@
   <data name="_25_6s" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\img\Shiny Pokemon Sprites\25-6s.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
-  <data name="_25_7cs" type="System.Resources.ResXFileRef, System.Windows.Forms">
-    <value>..\Resources\img\Shiny Pokemon Sprites\25-7cs.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  <data name="_25_7s" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\img\Shiny Pokemon Sprites\25-7s.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
   <data name="_260s" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\img\Shiny Pokemon Sprites\260s.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>