[feat]建议加个恢复功能

[th-dd]

根据issue #672 中@Jjw-stong提到了桌宠消失的问题，因此建议能出个恢复功能，将桌宠恢复到初始位置，也可以选择将状态/设置还原（类似恢复出厂设置）

[Kynnnnnna]

Hi, I'd like to take a stab at implementing this feature.

[th-dd]

Hi, I'd like to take a stab at implementing this feature.

@ayangweb 🤔

[ayangweb]

Hi, I'd like to take a stab at implementing this feature.

OK, just add a menu item directly to src/composables/useSharedMenu.ts.