fix(ui): prevent overflow on document root

invokeai/frontend/web/index.html

@@ -11,9 +11,11 @@
   <link id="invoke-favicon" rel="icon" type="icon" href="assets/images/invoke-favicon.svg" />
   <style>
     html,
-    body {
+    body,
+    #root {
       padding: 0;
       margin: 0;
+      overflow: hidden;
     }
   </style>
 </head>
@@ -23,4 +25,4 @@
   <script type="module" src="/src/main.tsx"></script>
 </body>
 
-</html>
+</html>