Add callback and logout

Author: NeftaliYagua

_layouts/layout_en.html

@@ -53,7 +53,7 @@
       <ol class="inline-flex md:space-x-2 rtl:space-x-reverse hidden guest">
         <li>
           <a class="inline-flex items-center text-sm font-medium hover:text-orange-600" href="/"
-            title="Log in" onclick="login()">
+            title="Log in" onclick="login(); return false;">
             <svg class="w-3.5 h-3.5 ms-2 mr-2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32"
               fill="currentColor">
               <defs />
@@ -99,7 +99,7 @@
           </a>
         </li>
         <li>
-          <button type="submit" onclick="logout()" class="inline-flex items-center text-sm font-medium hover:text-orange-600">
+          <button type="submit" onclick="logout(); return false;" class="inline-flex items-center text-sm font-medium hover:text-orange-600">
             <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5"
               stroke="currentColor" class="w-3.5 h-3.5 ms-2 mr-2">
               <path stroke-linecap="round" stroke-linejoin="round"