feat: implement UI for logging out (#638)

* feat: implement UI for logging out

* feat: use old style dialogs for logout confirmation

* feat: implement manage sessions

* feat: implement session logout success dialog

* feat: use snjs alert for revoking sessions confirmation

* fix: make OtherSessionsLogout easier to read

app/assets/javascripts/preferences/PreferencesViewWrapper.tsx

@@ -2,9 +2,10 @@ import { FunctionComponent } from 'preact';
 import { observer } from 'mobx-react-lite';
 import { WebApplication } from '@/ui_models/application';
 import { PreferencesView } from './PreferencesView';
+import { AppState } from '@/ui_models/app_state';
 
 export interface PreferencesViewWrapperProps {
-  appState: { preferences: { isOpen: boolean; closePreferences: () => void } };
+  appState: AppState;
   application: WebApplication;
 }
 
@@ -18,6 +19,7 @@ export const PreferencesViewWrapper: FunctionComponent<PreferencesViewWrapperPro
       <PreferencesView
         closePreferences={() => appState.preferences.closePreferences()}
         application={application}
+        appState={appState}
         mfaProvider={application}
         userProvider={application}
       />