Eager load Menu Items translations (#4720)

* Eager load Menu Items translations

When multilingual is enabled this PR removes one query for each menu item and adds one query for each nested group.

* removed eagerload for non admin menu

because it's already done inside the template -_-'

Co-authored-by: Eric Fletcher <fletch3555@users.noreply.github.com>

src/Models/Menu.php

@@ -107,6 +107,11 @@ public function removeMenuFromCache()
 
     private static function processItems($items)
     {
+        // Eagerload Translations
+        if (config('voyager.multilingual.enabled')) {
+            $items->load('translations');
+        }
+
         $items = $items->transform(function ($item) {
             // Translate title
             $item->title = $item->getTranslatedAttribute('title');