Add gen 6-7 sprites and update icon set

src/modifier/modifier.ts

@@ -381,11 +381,7 @@ export abstract class PokemonHeldItemModifier extends PersistentModifier {
       const isIconShown = pokemon instanceof PlayerPokemon || scene.currentBattle.seenEnemyPartyMemberIds.has(pokemon.id);
       const iconAtlasKey = isIconShown ? pokemon.getIconAtlasKey() : 'pokemon_icons_0';
       const pokemonIcon = scene.add.sprite(0, 8, iconAtlasKey);
-      if (pokemon.getSpeciesForm().generation <= 5) {
-        const iconKey = isIconShown ? pokemon.getIconKey() : 'pkmn_icon__000';
-        pokemonIcon.play(iconKey).stop();
-      } else
-        pokemonIcon.setFrame(pokemon.getIconId());
+      pokemonIcon.setFrame(pokemon.getIconId());
       pokemonIcon.setOrigin(0, 0.5);
 
       container.add(pokemonIcon);