[mirotalksfu] - add missing

public/views/Room.html

@@ -1196,6 +1196,10 @@ access to use this app.
                                         <td><i class="fa-solid fa-w"></i></td>
                                         <td><strong>Open/Close</strong> the whiteboard</td>
                                     </tr>
+                                    <tr>
+                                        <td><i class="fa-solid fa-d"></i></td>
+                                        <td><strong>Open/Close</strong> the document PIP</td>
+                                    </tr>
                                     <tr>
                                         <td><i class="fa-solid fa-e"></i></td>
                                         <td><strong>Open/Close</strong> the editor</td>