Search bar: improve layout of search bar examples

layouts/default.vue

 <template>
   <v-app>
     <Notifications />
-    <MainAppBar>
+    <MainAppBar :permanently-pinned="false">
       <template #logo>
         <Logo />
       </template>

pages/index.vue

@@ -130,7 +130,7 @@
 
 <script>
 export default {
-  layout: 'reportCard',
+  layout: 'default',
   computed: {
     esProxyBaseUrl() {
       return process.env.esProxyBaseUrl

web-components-submodule @ 8768240e

-Subproject commit d37465c76f734beb356eee88fd2d0e327c153be9
+Subproject commit 8768240e3c4a1db0c235e0dbc2976285b2e8c965