nip-13: error overlay should also cover settings

moving error overlay last so it is able to cover everything
including settings, as mining timeout can also occur when
changing profile metadata.

src/index.html

@@ -52,7 +52,6 @@
             </article>
             <section id="textnote"></section>
           </div>
-          <div id="errorOverlay" class="form" hidden></div>
         </div>
     
         <div class="tab-content">
@@ -128,6 +127,7 @@
           </footer>
         </div>
       </div>
+      <div id="errorOverlay" class="form" hidden></div>
     </main>
 
   </body>