Implements the allow-resurrection toggle for task deletion, letting users prevent deleted tasks from being automatically restored. Changes span the `ConfirmDialog` component, `TaskDetailModal`, and the `useConfirm` hook, with comprehensive test coverage across the dashboard API and UI layers.
Fusion-Task-Id: FN-5475
Co-authored-by: Fusion (runfusion.ai) <noreply@runfusion.ai>
Fusion-Task-Id: FN-5475
