feat: improve Thunder's menu GQLS for better accessibility and SEO

modules/thunder_gqls/graphql/thunder_menu.base.graphqls

@@ -6,7 +6,9 @@ type Menu {
 
 type MenuItem {
   title: String!
+  description: String
   url: String!
+  expanded: Boolean!
   inActiveTrail: Boolean!
   children: [MenuItem]
 }

modules/thunder_gqls/src/Plugin/GraphQL/SchemaExtension/ThunderMenuSchemaExtension.php

@@ -52,7 +52,7 @@ public function registerResolvers(ResolverRegistryInterface $registry): void {
 
     );
 
-    // Menu title.
+    // Menu item title.
     $this->addFieldResolverIfNotExists(
       'MenuItem',
       'title',
@@ -64,23 +64,47 @@ public function registerResolvers(ResolverRegistryInterface $registry): void {
         )
     );
 
-    // Menu in active trail.
+    // Menu item description.
+    $this->addFieldResolverIfNotExists(
+      'MenuItem',
+      'description',
+      $this->builder->produce('menu_link_description')
+        ->map(
+          'link',
+          $this->builder->produce('menu_tree_link')
+            ->map('element', $this->builder->fromParent())
+        )
+    );
+
+    // Menu item expanded.
+    $this->addFieldResolverIfNotExists(
+      'MenuItem',
+      'expanded',
+      $this->builder->produce('menu_link_expanded')
+        ->map(
+          'link',
+          $this->builder->produce('menu_tree_link')
+            ->map('element', $this->builder->fromParent())
+        )
+    );
+
+    // Menu item in active trail.
     $this->addFieldResolverIfNotExists(
       'MenuItem',
       'inActiveTrail',
       $this->builder->produce('menu_tree_in_active_trail')
         ->map('element', $this->builder->fromParent())
     );
 
-    // Menu children.
+    // Menu item children.
     $this->addFieldResolverIfNotExists(
       'MenuItem',
       'children',
       $this->builder->produce('menu_tree_subtree')
         ->map('element', $this->builder->fromParent())
     );
 
-    // Menu url.
+    // Menu item url.
     $this->addFieldResolverIfNotExists(
       'MenuItem',
       'url',