Fix the reconnection backoff accidentally resetting when thrown out of certain IRC servers (#3328)

src/providers/irc/IrcConnection2.cpp

@@ -108,9 +108,12 @@ IrcConnection::IrcConnection(QObject *parent)
 
     QObject::connect(this, &Communi::IrcConnection::messageReceived,
                      [this](Communi::IrcMessage *message) {
-                         // This connection is probably still alive
                          this->recentlyReceivedMessage_ = true;
-                         this->reconnectBackoff_.reset();
+
+                         if (message->command() == "372")  // MOTD
+                         {
+                             this->reconnectBackoff_.reset();
+                         }
                      });
 }