Initial setup for testing AI performance, random fixes

PkmnLib.Dynamic/AI/RandomAI.cs

@@ -43,6 +43,7 @@ public class RandomAI : PokemonAI
             }
             moves.Remove(move);
         }
-        return new PassChoice(pokemon);
+        return battle.Library.MiscLibrary.ReplacementChoice(pokemon,
+            pokemon.BattleData!.SideIndex == 0 ? (byte)1 : (byte)0, pokemon.BattleData.Position);
     }
 }