FileManager: fixed excessive ellipsis on certain file names (detail view)

vispa/extensions/file2/static/html/vue/detailItem.html

@@ -25,7 +25,7 @@
     :active.sync="renameing"
     :selection-range-end="data.root.length"
     @renamed="renameFinish"
-    ><div class="floater">{{data.root}}{{data.ext}}<div class="flex"><div class="root"><div>{{data.root}}</div></div><div class="ext">{{data.ext}}</div></div></div>
+    ><div class="floater">{{data.root}}&#8203;{{data.ext}}<div class="flex"><div class="root"><div>{{data.root}}</div></div><div class="ext">{{data.ext}}</div></div></div>
   </renamer>
   <div class="actions">
     <a @click="action('rename', {event: $event})"><i class="fa fa-pencil"></i><span>Rename</span></a>