nav panel: disable TWKN if federation disabled, disable Public and TWKN if privateMode is enabled

src/components/nav_panel/nav_panel.js

@@ -13,7 +13,9 @@ const NavPanel = {
   computed: mapState({
     currentUser: state => state.users.currentUser,
     chat: state => state.chat.channel,
-    followRequestCount: state => state.api.followRequests.length
+    followRequestCount: state => state.api.followRequests.length,
+    privateMode: state => state.instance.private,
+    federating: state => state.instance.federationPolicy.federating || true
   })
 }
 

src/components/nav_panel/nav_panel.vue

@@ -28,12 +28,12 @@
             </span>
           </router-link>
         </li>
-        <li>
+        <li v-if="currentUser || !privateMode">
           <router-link :to="{ name: 'public-timeline' }">
             {{ $t("nav.public_tl") }}
           </router-link>
         </li>
-        <li>
+        <li v-if="(currentUser || !privateMode) && federating">
           <router-link :to="{ name: 'public-external-timeline' }">
             {{ $t("nav.twkn") }}
           </router-link>