fix bookmark folders not being pinnable

src/components/bookmark_folders_menu/bookmark_folders_menu_content.js

@@ -3,6 +3,9 @@ import NavigationEntry from 'src/components/navigation/navigation_entry.vue'
 import { getBookmarkFolderEntries } from 'src/components/navigation/filter.js'
 
 export const BookmarkFoldersMenuContent = {
+  props: [
+    'showPin'
+  ],
   components: {
     NavigationEntry
   },

src/components/bookmark_folders_menu/bookmark_folders_menu_content.vue

@@ -7,10 +7,12 @@
         label: 'nav.all_bookmarks',
         icon: 'bookmark'
       }"
+      :show-pin="showPin"
     />
     <NavigationEntry
       v-for="item in folders"
       :key="item.id"
+      :show-pin="showPin"
       :item="item"
     />
   </ul>