Update experimental mobile PDB Viewer with WebGPU

Author: GitHubDragonFly

viewers/templates/Mobile/MPDB WebGPU.html

@@ -165,7 +165,6 @@
         position: absolute;
         text-align: center;
         font-size: large;
-        display: none;
         height: 240px;
         width: 240px;
         top: 50%;
@@ -269,7 +268,7 @@
     <div id="gui_position"></div>
 
     <div id="div_error" class="error_msg">E R R O R !</div>
-    <div id="div_loading" class="loading_msg">Loading</div>
+    <div id="div_loading" class="loading_msg">PDB WebGPU</div>
 
     <script>
       function hide_dropdown_dli() { $('#dc_dli').fadeOut(); mouse_wheel = true; }