fix(ui) sidebar auth state button switches

front/src/ui/components/Sidebar.vue

@@ -49,7 +49,9 @@ const logoUrl = computed(() => store.state.auth.authenticated ? 'library.index'
       </Link>
 
       <Layout nav no-gap flex style="align-items: center;">
-        <Link to="/manage/settings"
+        <Link
+          v-if="store.state.auth.availablePermissions['settings'] || store.state.auth.availablePermissions['moderation']"
+          to="/manage/settings"
           round
           icon="bi-wrench"
           ghost
@@ -57,6 +59,7 @@ const logoUrl = computed(() => store.state.auth.authenticated ? 'library.index'
         </Link>
 
         <Button
+          v-if="store.state.auth.authenticated"
           align-self="center"
           round
           icon="bi-upload"