fix operationList default active when dashboard setting null

app/main-footer.html

@@ -5,7 +5,7 @@
             <img src="img/icon_dashboard_inactive.svg" data-inactive-src="img/icon_dashboard_inactive.svg" data-src="img/icon_dashboard.svg" alt="ダッシュボード" class="p-1">
             <div class="fs-7 multi-lang" data-msg="buttonDashboard">ダッシュボード</div>
         </a>
-        <a id="operationListBottomNav" class="d-block w-100 text-center py-2 text-decoration-none text-secondary bottom-nav" onclick="CHK_Footer.goOperationList();">
+        <a id="operationListBottomNav" class="d-block w-100 text-center py-2 text-decoration-none text-primary bottom-nav" onclick="CHK_Footer.goOperationList();">
             <i class="fas fa-tasks fs-14 p-1"></i>
             <div class="fs-7 multi-lang" data-msg="buttonOperationList">作業一覧</div>
         </a>