refactor: 增加 SetDisabledItem 实例方法

Author: ArgoZhang

src/BootstrapBlazor/Components/Tab/Tab.razor.cs

@@ -746,6 +746,17 @@ private void ActiveTabItem(TabItem item)
         item.SetActive(true);
     }
 
+    /// <summary>
+    /// 设置 TabItem 禁用状态
+    /// </summary>
+    /// <param name="item"></param>
+    /// <param name="disabled"></param>
+    public void SetDisabledItem(TabItem item, bool disabled)
+    {
+        item.SetDisabledWithoutRender(disabled);
+        StateHasChanged();
+    }
+
     private RenderFragment RenderTabItemContent(TabItem item) => builder =>
     {
         if (item.IsDisabled)

src/BootstrapBlazor/Components/Tab/TabItem.cs

@@ -119,7 +119,16 @@ protected override void OnParametersSet()
     /// 设置是否被禁用
     /// </summary>
     /// <param name="disabled"></param>
-    public void SetDisabled(bool disabled) => IsDisabled = disabled;
+    public void SetDisabled(bool disabled)
+    {
+        TabSet?.SetDisabledItem(this, disabled);
+    }
+
+    /// <summary>
+    /// 设置是否被禁用
+    /// </summary>
+    /// <param name="disabled"></param>
+    internal void SetDisabledWithoutRender(bool disabled) => IsDisabled = disabled;
 
     /// <summary>
     /// 重新设置标签文字等参数