feat(ExportPdfButton): update AutoDownload default value to true (#5973)

* doc: 更新文档说明

* refactor: 更改 AutoDownload 参数默认值

Author: ArgoZhang

src/BootstrapBlazor.Server/Components/Samples/ExportPdfButtons.razor.cs

@@ -94,9 +94,9 @@ private AttributeItem[] GetAttributes() =>
         {
             Name = nameof(ExportPdfButton.AutoDownload),
             Description = Localizer["AttributeAutoDownload"],
-            Type = "string?",
-            ValueList = " — ",
-            DefaultValue = " — "
+            Type = "bool",
+            ValueList = "true|false",
+            DefaultValue = "true"
         },
         new()
         {

src/BootstrapBlazor/Components/Button/ExportPdfButton.cs

@@ -59,10 +59,10 @@ public class ExportPdfButton : Button
     public Func<string, Task>? OnAfterDownload { get; set; }
 
     /// <summary>
-    /// 获得/设置 是否自动下载 Pdf 默认为 false
+    /// 获得/设置 是否自动下载 Pdf 默认为 true
     /// </summary>
     [Parameter]
-    public bool AutoDownload { get; set; }
+    public bool AutoDownload { get; set; } = true;
 
     [Inject, NotNull]
     private IHtml2Pdf? Html2PdfService { get; set; }