fix: session B — Go-faithful auth error states, NKey padding, permissions, signal disposal

dotnet/tests/ZB.MOM.NatsNet.Server.Tests/Auth/JwtProcessorTests.cs

@@ -40,7 +40,7 @@ public class JwtProcessorTests
     public void WipeSlice_FillsWithX()
     {
         var buf = new byte[] { 0x01, 0x02, 0x03 };
-        JwtProcessor.WipeSlice(buf);
+        AuthHandler.WipeSlice(buf);
         buf.ShouldAllBe(b => b == (byte)'x');
     }
 
@@ -48,7 +48,7 @@ public class JwtProcessorTests
     public void WipeSlice_EmptyBuffer_NoOp()
     {
         var buf = Array.Empty<byte>();
-        JwtProcessor.WipeSlice(buf);
+        AuthHandler.WipeSlice(buf);
     }
 
     // =========================================================================