Set use-roslyn-tokenizer for .NET 10 razor projects

Author: 333fred

src/RazorSdk/Targets/Sdk.Razor.CurrentVersion.targets

@@ -55,6 +55,8 @@ Copyright (c) .NET Foundation. All rights reserved.
         <_TargetingNET100OrLater>true</_TargetingNET100OrLater>
         <UseRazorSourceGenerator Condition="'$(Language)' == 'C#' AND '$(UseRazorSourceGenerator)' == '' ">true</UseRazorSourceGenerator>
         <RazorLangVersion Condition="'$(RazorLangVersion)' == '' ">9.0</RazorLangVersion>
+        <_RazorUseRoslynTokenizer Condition="'$(_RazorUseRoslynTokenizer)'==''">true</_RazorUseRoslynTokenizer>
+        <Features Condition="'$(_RazorUseRoslynTokenizer)'=='true'">use-roslyn-tokenizer=true;$(FEATURES)</Features>
       </PropertyGroup>
     </When>
     <When Condition=" '$(TargetFrameworkIdentifier)' == '.NETCoreApp' AND $([MSBuild]::VersionGreaterThanOrEquals('$(TargetFrameworkVersion)', '9.0')) ">