TspValidationException When an ExtendedKeyUsage extension of a time stamping certificate contains a mess

[acoder84]

https://github.com/bcgit/bc-csharp/blob/42f933608f60af7e9c36ffa3f9150b06b842a6ca/crypto/src/tsp/TSPUtil.cs#L144

But in real life we may encounter with absolutely random sets of KeyUsage and ExtendedKeyUsage attrs. And it is OK for us. How about adding extension points in such validations.