Prevent rendering overview until selected app has loaded

packages/builder/src/pages/builder/portal/overview/[application]/index.svelte

@@ -206,7 +206,8 @@
   })
 </script>
 
-<span class="overview-wrap">
+{#if selectedApp}
+  <span class="overview-wrap">
     <Page wide noPadding>
       {#await promise}
         <div class="loading">
@@ -286,7 +287,10 @@
                   </MenuItem>
                 {/if}
                 {#if !isPublished}
-                <MenuItem on:click={() => deleteApp(selectedApp)} icon="Delete">
+                  <MenuItem
+                    on:click={() => deleteApp(selectedApp)}
+                    icon="Delete"
+                  >
                     Delete
                   </MenuItem>
                 {/if}
@@ -358,7 +362,8 @@
         <p>Something went wrong: {error.message}</p>
       {/await}
     </Page>
-</span>
+  </span>
+{/if}
 
 <style>
   .app-url {