refactor(backend): 重构任务模块并优化菜单权限

- 移除系统模块中的任务相关代码
- 新增批量设置字典类型和数据状态的功能
- 更新菜单权限获取逻辑，增加对链接类型菜单的支持
- 调整任务模块到 monitor 监控模块下

backend/app/api/v1/services/system/config_service.py

@@ -16,9 +16,8 @@ from app.common.enums import RedisInitKeyConfig
 from app.core.redis_crud import RedisCURD
 from app.utils.excel_util import ExcelUtil
 from app.utils.upload_util import UploadUtil
-from app.core.base_schema import DeleteIdsSchema, UploadResponseSchema
+from app.core.base_schema import UploadResponseSchema
 from app.core.exceptions import CustomException
-from app.config.setting import settings
 from app.core.logger import logger