Logout when window.nostr is not available on NIP-07

Currently, all menus are displayed except for My Page.

<img width="669" alt="スクリーンショット 2023-05-23 0 40 25" src="https://github.com/akiomik/nosli/assets/1457682/f287ae0e-d312-47c0-bf30-f33c8e38cbb1">


