doc: 更改默认值

Author: ArgoZhang

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

@@ -15,7 +15,7 @@ public partial class PdfViewers
     [Inject, NotNull]
     private ToastService? ToastService { get; set; }
 
-    private bool _useGoogleDocs = true;
+    private bool _useGoogleDocs = false;
 
     private Task OnLoaded() => ToastService.Success("Pdf Viewer", Localizer["PdfViewerToastSuccessfulContent"]);