Fixed an HTML error in the template of the trial balance.

src/accounting/templates/accounting/report/trial-balance.html

@@ -89,6 +89,7 @@ First written: 2023/3/5
         </div>
       </div>
     </div>
+  </div>
 {% else %}
   <p>{{ A_("There is no data.") }}</p>
 {% endif %}