Skip malformed info requests in the primary server

This fixes the info thread of the o2-sim primary server for requests of unexpected size.

- After the error reply the thread still read the request and could send a second reply on the REP socket.
- It now continues to the next request after the error reply.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: sawenzel

run/O2PrimaryServerDevice.h

@@ -273,6 +273,7 @@ class O2PrimaryServerDevice final : public fair::mq::Device
           if (request->GetSize() != sizeof(request_payload)) {
             LOG(error) << "Obtained request with unexpected payload size";
             sendErrorReply(channel); // ALWAYS reply
+            continue;
           }
 
           memcpy(&request_payload, request->GetData(), sizeof(request_payload));