fix unread message list count

app/index.html

@@ -162,7 +162,6 @@
         <header>
             <nav class="navbar navbar-dark bg-primary position-fixed fixed-top w-100">
                 <div></div>
-                <div></div>
                 <h1 class="fs-10 font-weight-bold mb-0 text-white multi-lang" data-msg="dashboardHeaderTitle">ダッシュボード</h1>
                 <div class="d-flex align-items-center">
                     <a href="javascript:CHK.goUrlWithCurrentParams('dashboard-setting.html');" class="nav-link text-white lht-0 p-1 mr-2">

app/script/check-message-list.js

@@ -18,7 +18,7 @@ CHK_MessageList.initPushMessageListCallback = function(pushMessageList) {
 }
 
 CHK_MessageList.goBack = function() {
-    history.back();
+    CHK_Footer.goDashboard();
 }
 
 CHK_MessageList.refresh = function() {