fix(Characters/Chick): 修正激光子弹发射角度计算错误

将固定角度90度改为根据激光数量动态计算角度，使子弹均匀分布

scripts/Contents/Characters/Chick.gd

@@ -30,7 +30,7 @@ func attack(type):
 	elif type == 1:
 		var laserCount = randi_range(2, 4)
 		for i in laserCount:
-			BulletBase.generate(preload("res://components/Bullets/ChickLaser.tscn"), self, texture.global_position, deg_to_rad(90 * i))
+			BulletBase.generate(preload("res://components/Bullets/ChickLaser.tscn"), self, texture.global_position, deg_to_rad(360.0 / laserCount * i))
 	elif type == 2:
 		var weaponPos = findWeaponAnchor("normal")
 		var target = weaponPos.angle_to_point(currentFocusedBoss.position)