Empty button bugfix

frontend/src/components/unification/Unification/LexicalUnitEdit.vue

@@ -1053,6 +1053,7 @@ export default LexicalUnitEdit;
             <td id="remove-sel-pref" style="padding: 10px 15px 10px 15px; color: #000000;" @click="removeSelectionalPreference">Usuń prefer.</td>
             <td id="change-windows" style="padding: 10px 15px 10px 15px; color: #000000;" @click="swapUnifiedFrames">Zamień okna</td>
             <td v-if="frames.length == 0 || isSuperLeksykograf()" id="delete-frame" style="padding: 10px 15px 10px 15px; color: #000000;" @click="deleteUnifiedFrames">Usuń ramę</td>
+            <td id="empty-1" style="padding: 10px 15px 10px 15px; color: #000000;"></td>
           </tr>
         </table>
         
@@ -1188,6 +1189,7 @@ export default LexicalUnitEdit;
                 @click="extract_frame_to_preview_frame">
                 Przerzuć
             </td>
+            <td id="empty-2" style="padding: 10px 15px 10px 15px; color: #000000;"></td>
           </tr>
         </table>
         <div id="semantics-frames">