**PLEASE NOTE THAT THIS DIFF AND SUBSEQUENT DIFFS IN THIS STACK WILL NOT BE LANDED UNTIL MORE OF THE REDESIGN IS READY SINCE THIS WILL CAUSE REGRESSIONS IN PROD**
This diff introduces the account settings panel and makes various ui changes to the `AccountSettings` component so that it can be housed within the account settings panel and matches the UI shown in the figma doc
Linear task: https://linear.app/comm/issue/ENG-5953/selected-settings-ui
Depends on D10855