[native] fix(AddBookmarkIntent): Folder selector was broken

fixes #1791

Author: marcelklehr

src/ui/views/native/AddBookmarkIntent.vue

@@ -72,6 +72,7 @@
       </v-card>
     </v-main>
     <DialogChooseFolder
+      v-if="tree"
       v-model="temporaryParent"
       :display.sync="displayFolderChooser"
       :tree="tree" />