fix compiler authoring traps and showcase generation order

examples/component-showcase/app/pages/components/drag-and-drop.wrn

@@ -695,7 +695,7 @@ if (component) registerOutputHandler(component, "change", (payload) =&gt; <span>
     </div>
     <nav class="detail-pagination">
       <a href="/components/data-map"><small>Previous</small><strong>← Data Map</strong></a>
-      <a href="/components/file-upload"><small>Next</small><strong>File Upload →</strong></a>
+      <a href="/components/map"><small>Next</small><strong>Map →</strong></a>
     </nav>
   }
 }