fix private mode & timelines dropdown

fixes #1220 (closed)

src/components/navigation/filter.js

@@ -2,7 +2,7 @@ export const filterNavigation = (list = [], { hasChats, hasAnnouncements, isFede
   return list.filter(({ criteria, anon, anonRoute }) => {
     const set = new Set(criteria || [])
     if (!isFederating && set.has('federating')) return false
-    if (isPrivate && set.has('!private')) return false
+    if (!currentUser && isPrivate && set.has('!private')) return false
     if (!currentUser && !(anon || anonRoute)) return false
     if ((!currentUser || !currentUser.locked) && set.has('lockedUser')) return false
     if (!hasChats && set.has('chats')) return false