add `Pokemon.isAllowed()`

to check if pokemon is allowed even if it's fainted

src/field/pokemon.ts

@@ -276,7 +276,18 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
   isAllowedInBattle(): boolean {
     const challengeAllowed = new Utils.BooleanHolder(true);
     applyChallenges(this.scene.gameMode, ChallengeType.POKEMON_IN_BATTLE, this, challengeAllowed);
-    return !this.isFainted() && challengeAllowed.value;
+    return !this.isFainted() && this.isAllowed();
+  }
+
+  /**
+     * Check if this pokemon is allowed (no challenge exclusion)
+     * This is frequently a better alternative to {@link isFainted}
+     * @returns {boolean} True if pokemon is allowed in battle
+     */
+  isAllowed(): boolean {
+    const challengeAllowed = new Utils.BooleanHolder(true);
+    applyChallenges(this.scene.gameMode, ChallengeType.POKEMON_IN_BATTLE, this, challengeAllowed);
+    return challengeAllowed.value;
   }
 
   isActive(onField?: boolean): boolean {