Core/NetPlay: Extend enet peer timeout

This extends the timeout to 30 seconds, so users who have brief
connection issues won't be so swiftly disconnected, allowing the
NetPlay session to continue.

Source/Core/Core/NetPlayClient.cpp

@@ -150,6 +150,9 @@ NetPlayClient::NetPlayClient(const std::string& address, const u16 port, NetPlay
       return;
     }
 
+    // Extend reliable traffic timeout
+    enet_peer_timeout(m_server, 0, 30000, 30000);
+
     ENetEvent netEvent;
     int net = enet_host_service(m_client, &netEvent, 5000);
     if (net > 0 && netEvent.type == ENET_EVENT_TYPE_CONNECT)

Source/Core/Core/NetPlayServer.cpp

@@ -415,6 +415,9 @@ ConnectionError NetPlayServer::OnConnect(ENetPeer* socket, sf::Packet& rpac)
   if (StringUTF8CodePointCount(player.name) > MAX_NAME_LENGTH)
     return ConnectionError::NameTooLong;
 
+  // Extend reliable traffic timeout
+  enet_peer_timeout(socket, 0, 30000, 30000);
+
   // cause pings to be updated
   m_update_pings = true;