Revert "[qtbase] Ignore irrelevant session state change events. Contr…

…ibutes to JB#33794"

This reverts commit 3112a8b.

src/network/access/qnetworkaccessmanager.cpp

@@ -1610,16 +1610,7 @@ void QNetworkAccessManagerPrivate::_q_networkSessionClosed()
 void QNetworkAccessManagerPrivate::_q_networkSessionStateChanged(QNetworkSession::State state)
 {
     Q_Q(QNetworkAccessManager);
-
-    if (!networkSessionStrongRef) {
-        // The next stateChanged() may already be queued by the time we have
-        // received closed() signal and cleared the session reference.
-        lastSessionState = QNetworkSession::Invalid;
-        return;
-    }
-
     bool reallyOnline = false;
-
     //Do not emit the networkSessionConnected signal here, except for roaming -> connected
     //transition, otherwise it is emitted twice in a row when opening a connection.
     if (state == QNetworkSession::Connected && lastSessionState != QNetworkSession::Roaming)