Add error handling and update history query logic

- Introduced a using directive for exceptions in DocumentCreateReadSQL.cs.
- Enhanced CreateParmas method with try-catch for base64 conversion errors, throwing BadRequestException on failure.
- Added switch statement in HistoryController.cs to manage Related property in ReadHistoryQuery, setting flags for receiver and sender.

EnvelopeGenerator.GeneratorAPI/Controllers/HistoryController.cs

@@ -109,9 +109,7 @@ public class HistoryController : ControllerBase
     {
         bool withReceiver = false;
         bool withSender = false;
-
-
-
+        
         switch (history.Related)
         {
             case ReferenceType.Receiver: