net_processing: retry private broadcast

Periodically check for stale transactions in peerman and if found,
reschedule new connections to be opened by connman for broadcasting
them.

src/node/peerman_args.cpp

@@ -23,6 +23,8 @@ void ApplyArgsManOptions(const ArgsManager& argsman, PeerManager::Options& optio
     if (auto value{argsman.GetBoolArg("-capturemessages")}) options.capture_messages = *value;
 
     if (auto value{argsman.GetBoolArg("-blocksonly")}) options.ignore_incoming_txs = *value;
+
+    if (auto value{argsman.GetBoolArg("-privatebroadcast")}) options.private_broadcast = *value;
 }
 
 } // namespace node