fix(DialogCloseButton): missing theme button icon (#4809)

* fix(DialogCloseButton): 修复丢失 Icon 问题

* chore: bump version 9.1.3-beta01

* test: 补充单元测试

* test: 更新单元测试

Author: ArgoZhang

src/BootstrapBlazor/BootstrapBlazor.csproj

@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk.Razor">
+<Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>9.1.2</Version>
+    <Version>9.1.3-beta01</Version>
   </PropertyGroup>
 
   <ItemGroup>

src/BootstrapBlazor/Components/Dialog/DialogCloseButton.cs

@@ -30,10 +30,10 @@ public partial class DialogCloseButton : Button
     /// </summary>
     protected override void OnParametersSet()
     {
-        base.OnParametersSet();
-
         Icon ??= IconTheme.GetIconByKey(ComponentIcons.DialogCloseButtonIcon);
         Text ??= Localizer[nameof(ModalDialog.CloseButtonText)];
+
+        base.OnParametersSet();
     }
 
     /// <summary>

test/UnitTest/Components/DialogCloseButtonTest.cs

@@ -0,0 +1,21 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the Apache 2.0 License
+// See the LICENSE file in the project root for more information.
+// Maintainer: Argo Zhang(argo@live.ca) Website: https://www.blazor.zone
+
+namespace UnitTest.Components;
+
+public class DialogCloseButtonTest : BootstrapBlazorTestBase
+{
+    [Fact]
+    public void Icon_Ok()
+    {
+        var cut = Context.RenderComponent<DialogCloseButton>();
+        Assert.Equal("fa-solid fa-xmark", cut.Instance.Icon);
+        cut.Contains("fa-solid fa-xmark");
+
+        cut.SetParametersAndRender(pb => pb.Add(p => p.Icon, "test-icon"));
+        Assert.Equal("test-icon", cut.Instance.Icon);
+        cut.Contains("test-icon");
+    }
+}