fix(PdfReader): render twice if url is null (#7487)

Author: ArgoZhang

src/BootstrapBlazor.Server/BootstrapBlazor.Server.csproj

@@ -63,7 +63,7 @@
     <PackageReference Include="BootstrapBlazor.OfficeViewer" Version="10.0.0" />
     <PackageReference Include="BootstrapBlazor.OnScreenKeyboard" Version="10.0.0" />
     <PackageReference Include="BootstrapBlazor.OpcDa" Version="10.0.0" />
-    <PackageReference Include="BootstrapBlazor.PdfReader" Version="10.0.25" />
+    <PackageReference Include="BootstrapBlazor.PdfReader" Version="10.0.26" />
     <PackageReference Include="BootstrapBlazor.PdfViewer" Version="10.0.0" />
     <PackageReference Include="BootstrapBlazor.Player" Version="10.0.1" />
     <PackageReference Include="BootstrapBlazor.RDKit" Version="10.0.0" />