fix operation List header, dasshboard header align center

app/css/app.css

@@ -20364,3 +20364,11 @@ button {
         margin-left: -2px
     }
 }
+
+.alignCenter_header {
+	position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translateY(-50%) translateX(-50%);
+    margin: auto;
+}

app/index.html

@@ -35,7 +35,7 @@
                         <span class="d-none d-md-inline fs-10 multi-lang" data-msg="buttonCategory">カテゴリー</span>
                     </a>
                 </div>
-                <h1 class="fs-10 font-weight-bold mb-0 text-white multi-lang" data-msg="operationListHeaderTitle">作業一覧</h1>
+                <h1 class="fs-10 font-weight-bold mb-0 text-white multi-lang alignCenter_header" data-msg="operationListHeaderTitle">作業一覧</h1>
                 <div class="d-flex align-items-center">
                 <a class="navbar-brand lht-0" href="javascript:CHK_L.sendAppCommand('refreshContent');" style="margin: 0 10px 0 10px;float: right;">
                     <i class="fa fa-redo fs-12 p-1" id="updateButton"></i>
@@ -162,7 +162,7 @@
         <header>
             <nav class="navbar navbar-dark bg-primary position-fixed fixed-top w-100">
                 <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>
+                <h1 class="fs-10 font-weight-bold mb-0 text-white multi-lang alignCenter_header" 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">
                         <img class="icon" src="img/icon_dashboard_setting.svg" alt="設定">