Allow Original Color Magearna to be obtained

Another completely cosmetic Pokémon form (and a nice looking one at that!).

src/battle-scene.ts

@@ -1012,6 +1012,7 @@ export default class BattleScene extends SceneBase {
 			case Species.FLORGES:
 			case Species.FURFROU:
 			case Species.ORICORIO:
+			case Species.MAGEARNA:
 			case Species.SQUAWKABILLY:
 			case Species.TATSUGIRI:
 			case Species.PALDEA_TAUROS: