Use onclick shorthand to ensure async-ness

Author: adamashton

BlazorContextMenu/Components/Item.razor

@@ -6,7 +6,7 @@
 
 <li @attributes="Attributes"
     id="@Id"
-    @onclick="@((e) => OnClickInternal(e))"
+    @onclick="OnClickInternal"
     class="@("blazor-context-menu__item " + ClassCalc)"
     style="@(Visible ? "display:block;" : "display:none;")"
     itemEnabled="@Enabled.ToString().ToLower()"