fix: Console logs are outputted twice when using TestAdapter

[filzrev]

This PR intended to fix issue that console and VS Output Window logs are outputted twice when running benchmarks with TestAdapter/ dotnet test command.

What's Tested

1. When running benchmark from Visual Studio TestExplorer.
   No duplicated logs outputted on Output Window's Tests pane.
2. When running following command.
   No duplicated logs outputted.

   dotnet test BenchmarkDotNet.sln -c Release --filter Category=Fast -tl:off --framework net8.0 --logger:"console;verbosity=normal"