improve(webui): re-add tip about visting navigation to update inventory

static/webui/index.html

@@ -26,6 +26,7 @@
             </div>
             <div id="main-view" class="d-none">
                 <p>Hello, <b class="displayname"></b>! <a href="#" onclick="logout();">Logout</a></p>
+                <p>Note: Changes made here will only be reflected in-game when the game re-downloads your inventory. Visiting the navigation should be the easiest way to trigger that.</p>
                 <div class="row">
                     <div class="col-lg-6">
                         <div class="card mb-3">