fix(ability): Supersweet Syrup is not blocked by Own Tempo et al

#7073

* Add false to Supersweet's Intimidate attribute

* Add test and change fix to modify `PostSummonStatStageChangeAbAttr`

Now the `intimidate` param defaults to `false`

---------

Co-authored-by: NightKev <34855794+DayKev@users.noreply.github.com>

Author: Mourouh

src/data/abilities/ab-attrs.ts

@@ -2370,7 +2370,7 @@ export class PostSummonStatStageChangeAbAttr extends PostSummonAbAttr {
   private readonly selfTarget: boolean;
   private readonly intimidate: boolean;
 
-  constructor(stats: readonly BattleStat[], stages: number, selfTarget = false, intimidate = true) {
+  constructor(stats: readonly BattleStat[], stages: number, selfTarget = false, intimidate = false) {
     super(true);
 
     this.stats = stats;

test/abilities/supersweet-syrup.test.ts

@@ -0,0 +1,49 @@
+/*
+ * SPDX-FileCopyrightText: 2024-2026 Pagefault Games
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { AbilityId } from "#enums/ability-id";
+import { MoveId } from "#enums/move-id";
+import { SpeciesId } from "#enums/species-id";
+import { Stat } from "#enums/stat";
+import { GameManager } from "#test/test-utils/game-manager";
+import Phaser from "phaser";
+import { beforeAll, beforeEach, describe, expect, it } from "vitest";
+
+describe("Ability - Supersweet Syrup", () => {
+  let phaserGame: Phaser.Game;
+  let game: GameManager;
+
+  beforeAll(() => {
+    phaserGame = new Phaser.Game({
+      type: Phaser.HEADLESS,
+    });
+  });
+
+  beforeEach(() => {
+    game = new GameManager(phaserGame);
+    game.override
+      .ability(AbilityId.SUPERSWEET_SYRUP)
+      .battleStyle("single")
+      .criticalHits(false)
+      .enemySpecies(SpeciesId.MAGIKARP)
+      .enemyAbility(AbilityId.BALL_FETCH)
+      .enemyMoveset(MoveId.SPLASH)
+      .startingLevel(100)
+      .enemyLevel(100);
+  });
+
+  it("should lower the opponent's evasion by 1 stage", async () => {
+    // Guard Dog ability override used for regression test, cf https://github.com/pagefaultgames/pokerogue/pull/7073
+    game.override.enemyAbility(AbilityId.GUARD_DOG);
+    await game.classicMode.startBattle(SpeciesId.FEEBAS);
+
+    const enemy = game.field.getEnemyPokemon();
+
+    expect(enemy).toHaveStatStage(Stat.ATK, 0);
+    expect(enemy).toHaveStatStage(Stat.EVA, -1);
+    expect(enemy).not.toHaveAbilityApplied(AbilityId.GUARD_DOG);
+  });
+});