[C#] Unable to run FlightRPC client on http://localhost:5000 getting back exceptions

### Describe the bug, including details regarding any error messages, version, and platform.

I'm trying to test your Example: `FlightClientExample` when I'm running it against server getting this error:
```
RPC Error: Status(StatusCode="Unknown", Detail="Exception was thrown by handler. InvalidProtocolBufferException: While parsing a protocol message, the input ended unexpectedly in the middle of a field. This could mean either that the input has been truncated or that an embedded message misreported its own length.")
Error executing query:\n Failed to execute query
```

### Component(s)

C#