refactor: 使用ComponentManager统一管理资源加载

将所有直接使用`load("res://components/...")`加载资源的代码替换为通过`ComponentManager`统一管理的方式，提高代码的可维护性和资源管理的统一性

scripts/Contents/Characters/Hen.gd

@@ -14,5 +14,5 @@ func attack(type):
 	if type == 0:
 		var weaponPos = findWeaponAnchor("normal")
 		for i in randi_range(1, 4):
-			BulletBase.generate(load("res://components/Bullets/Star.tscn"), self, weaponPos, (currentFocusedBoss.position - position).angle())
+			BulletBase.generate(ComponentManager.getBullet("Star"), self, weaponPos, (currentFocusedBoss.position - position).angle())
 	return true