Add setting for opting in to beta features (#11123)

src/App.web.tsx

@@ -26,6 +26,7 @@ import {Provider as HomeBadgeProvider} from '#/state/home-badge'
 import {MessagesProvider} from '#/state/messages'
 import {init as initPersistedState} from '#/state/persisted'
 import {Provider as PrefsStateProvider} from '#/state/preferences'
+import {BetaUserStorageSync} from '#/state/preferences/beta-user-sync'
 import {Provider as LabelDefsProvider} from '#/state/preferences/label-defs'
 import {Provider as ModerationOptsProvider} from '#/state/preferences/moderation-opts'
 import {Provider as UnreadNotifsProvider} from '#/state/queries/notifications/unread'
@@ -132,6 +133,7 @@ function InnerApp() {
                   key={currentAccount?.did}>
                   <AnalyticsFeaturesContext>
                     <QueryProvider currentDid={currentAccount?.did}>
+                      <BetaUserStorageSync />
                       <PolicyUpdateOverlayProvider>
                         <LiveEventsProvider>
                           <AgeAssuranceV2Provider>