fixup! feat(aria/menu): add examples for aria menu

Author: wagnermaciel

src/components-examples/aria/menu/menu-trigger/menu-trigger-example.html

@@ -1,5 +1,11 @@
-<button ngMenuTrigger #trigger="ngMenuTrigger" [submenu]="formatMenu" class="example-menu-trigger">
-  <span class="material-symbols-outlined">more_vert</span>
+<button
+  ngMenuTrigger
+  [submenu]="formatMenu"
+  aria-label="Open menu"
+  #trigger="ngMenuTrigger"
+  class="example-menu-trigger"
+>
+  <span aria-hidden="true" class="material-symbols-outlined">more_vert</span>
 </button>
 
 <div menu [parent]="trigger" #formatMenu="ngMenu">
@@ -21,8 +27,6 @@
     <span menu-item-icon class="example-arrow">arrow_right</span>
   </div>
 
-  <div role="separator" aria-orientation="horizontal" class="example-menu-item-separator"></div>
-
   <div menu [parent]="categorizeItem" #categorizeMenu="ngMenu">
     <div menu-item value="Mark as important">
       <span menu-item-icon>label_important</span>
@@ -40,6 +44,8 @@
     </div>
   </div>
 
+  <div role="separator" aria-orientation="horizontal" class="example-menu-item-separator"></div>
+
   <div menu-item value="Archive">
     <span menu-item-icon>archive</span>
     <span menu-item-text>Archive</span>