Move language preferences to new persistence + context (#1837)

src/App.web.tsx

@@ -19,6 +19,7 @@ import {queryClient} from 'lib/react-query'
 import {Provider as ShellStateProvider} from 'state/shell'
 import {Provider as MutedThreadsProvider} from 'state/muted-threads'
 import {Provider as InvitesStateProvider} from 'state/invites'
+import {Provider as PrefsStateProvider} from 'state/preferences'
 
 const InnerApp = observer(function AppImpl() {
   const colorMode = useColorMode()
@@ -70,11 +71,13 @@ function App() {
 
   return (
     <ShellStateProvider>
-      <MutedThreadsProvider>
-        <InvitesStateProvider>
-          <InnerApp />
-        </InvitesStateProvider>
-      </MutedThreadsProvider>
+      <PrefsStateProvider>
+        <MutedThreadsProvider>
+          <InvitesStateProvider>
+            <InnerApp />
+          </InvitesStateProvider>
+        </MutedThreadsProvider>
+      </PrefsStateProvider>
     </ShellStateProvider>
   )
 }