[C#] Compare PrimitiveValue with doubles in the same way as Java by the raw bits, so NaN and Infinity are correctly handled.

Author: mjpt777

csharp/sbe-dll/PrimitiveValue.cs

@@ -501,7 +501,7 @@ public override bool Equals(object value)
 
  case Representation.Double:
  {
- return _doubleValue.Equals(rhs._doubleValue);
+ return BitConverter.DoubleToInt64Bits(_doubleValue) == BitConverter.DoubleToInt64Bits(rhs._doubleValue);
  }
 
  case Representation.ByteArray: