Revised the navigation bar so that viewers do not see the menu of the unmatched offsets.

src/accounting/templates/accounting/include/nav.html

@@ -51,12 +51,14 @@ First written: 2023/1/26
           {{ A_("Currencies") }}
         </a>
       </li>
+      {% if accounting_can_edit() %}
         <li>
           <a class="dropdown-item {% if request.endpoint and request.endpoint.startswith("accounting.unmatched-offset.") %} active {% endif %}" href="{{ url_for("accounting.unmatched-offset.dashboard") }}">
             <i class="fa-solid fa-link-slash"></i>
             {{ A_("Unmatched Offsets") }}
           </a>
         </li>
+      {% endif %}
       {% if accounting_can_admin() %}
         <li>
           <a class="dropdown-item {% if request.endpoint and request.endpoint.startswith("accounting.option.") %} active {% endif %}" href="{{ url_for("accounting.option.detail") }}">