[dotnet] Help old .net framework copy selenium manager to output

Author: nvborisenko

dotnet/src/webdriver/assets/nuget/build/netstandard2.0/Selenium.WebDriver.targets

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 
-  <!-- Legacy packages.config support -->
-  <ItemGroup Condition="'$(UsingMicrosoftNETSdk)' != 'true'">
+  <!-- Only run if the consumer did NOT set a RID (so NuGet won't select runtimes assets),
+       and only for .NET Framework projects where this problem is common. -->
+  <ItemGroup Condition="'$(RuntimeIdentifier)' == '' and '$(TargetFrameworkIdentifier)' == '.NETFramework'">
     <Content Include="$(MSBuildThisFileDirectory)..\..\runtimes\win\native\selenium-manager.exe">
       <Link>runtimes\win\native\%(Filename)%(Extension)</Link>
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>