For solution import .targets file that redirects dotnet path used by NuGet.RestoreEx.targets (#8960)

eng/BootStrapMSBuild.targets

@@ -246,6 +246,9 @@
     <Copy SourceFiles="$(RepoRoot)src\MSBuild.Bootstrap\RedirectNuGetConsoleProcess.After.Microsoft.Common.targets"
           DestinationFolder="$(BootstrapDestination)\Current\Microsoft.Common.targets\ImportAfter" />
 
+    <Copy SourceFiles="$(RepoRoot)src\MSBuild.Bootstrap\RedirectNuGetConsoleProcess.After.Microsoft.Common.targets"
+          DestinationFolder="$(BootstrapDestination)\Current\SolutionFile\ImportAfter" />
+
     <!-- Disable workload resolver until we can figure out whether it can work in the bootstrap
          https://github.com/dotnet/msbuild/issues/6566 -->
     <Touch Files="$(BootstrapDestination)\DisableWorkloadResolver.sentinel" AlwaysCreate="true" />