refactor: 重构代码

Author: ArgoZhang

src/BootstrapBlazor/Components/Dropdown/Dropdown.razor

@@ -38,13 +38,13 @@
             {
                 if (ItemTemplate != null)
                 {
-                    <div class="@ActiveItem(item)" @onclick="e => OnItemClick(item)">
+                    <div class="@ActiveItem(item)">
                         @ItemTemplate(item)
                     </div>
                 }
                 else if (item.IsDisabled)
                 {
-                    <div class="@DisableItem(item)">@item.Text</div>
+                    <div class="@ActiveItem(item)">@item.Text</div>
                 }
                 else
                 {

src/BootstrapBlazor/Components/Dropdown/Dropdown.razor.cs

@@ -63,14 +63,6 @@ public partial class Dropdown<TValue>
     /// <returns></returns>
     protected string? ActiveItem(SelectedItem item) => CssBuilder.Default("dropdown-item")
         .AddClass("active", () => item.Value == CurrentValueAsString)
-        .Build();
-
-    /// <summary>
-    /// 获得/设置 设置当前项是否 Active 方法
-    /// </summary>
-    /// <param name="item"></param>
-    /// <returns></returns>
-    protected string? DisableItem(SelectedItem item) => CssBuilder.Default("dropdown-item")
         .AddClass("disabled", item.IsDisabled)
         .Build();