Fix notification position, set default values, and fix AJAX nonce issues

admin/css/wp-allstars-admin.css

@@ -655,7 +655,7 @@ input:checked + .wp-toggle-slider:before {
 .wp-allstars-setting-row label .wp-setting-notification {
     position: absolute;
     right: -60px;
-    top: 0;
+    top: -2px;
     transform: translateY(0);
     line-height: 1.4;
 }