issue: https://linear.app/comm/issue/ENG-4809/logout-triggered-on-app-restart
since my conncetion field refactor, namely since D8924, restaring the app trigges logout. I couldn't find a quick solution, so here is a diff reverting that whole stack
Code in persist.js is the only code not generated by git revert

tested that after the migration the conncetion field is back at the top level and not in keyserverStore. tested tha the app can be run