[ENG-11179](https://linear.app/comm/issue/ENG-11179/show-information-that-admin-can-not-leave-group).
We already have it on native in [here](https://github.com/CommE2E/comm/blob/4032a7eb460abfc1df4139eada4fd2c2ee2a8379/native/chat/settings/thread-settings-leave-thread.react.js#L83-L103). Adding the same functionality on web to make it symmetric. We're going to use it for Farcaster threads too