Manual upgrade of Razor SDK

This version contains support for components

Author: rynowak

build/dependencies.props

@@ -107,7 +107,7 @@
     <MicrosoftEntityFrameworkCorePackageVersion>3.0.0-preview.18604.3</MicrosoftEntityFrameworkCorePackageVersion>
 
     <!-- Packages from aspnet/AspNetCore-Tooling -->
-    <MicrosoftNETSdkRazorPackageVersion>3.0.0-preview.18621.2</MicrosoftNETSdkRazorPackageVersion>
+    <MicrosoftNETSdkRazorPackageVersion>3.0.0-preview.18623.1</MicrosoftNETSdkRazorPackageVersion>
   </PropertyGroup>
 
   <Import Project="$(DotNetPackageVersionPropsPath)" Condition=" '$(DotNetPackageVersionPropsPath)' != '' " />