Feature/debug get bad blocks (NethermindEth#3838)

Co-authored-by: lukasz.rozmej <lukasz.rozmej@gmail.com>
Co-authored-by: Marc <Marchhill@users.noreply.github.com>

(cherry picked from commit 9b5a3f2)

src/Nethermind/Nethermind.JsonRpc.Test/Modules/DebugModuleTests.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.CompilerServices;
 using System.Threading;
 using System.Threading.Tasks;
 using FluentAssertions;