Avoid comparing streams by value

Comparing steams by value shouldn't happen, it's artifact that left
from the stream reuse mechanism.

Pick-to: 6.5
Change-Id: Ib9c5ee3e616d1a0bc75853a87ab15461dbf76f91
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
Reviewed-by: Konrad Kujawa <konrad.kujawa@qt.io>

src/grpc/qabstractgrpcclient.cpp

@@ -211,11 +211,9 @@ std::shared_ptr<QGrpcStream> QAbstractGrpcClient::startStream(QLatin1StringView
                     Q_D(QAbstractGrpcClient);
                     qGrpcWarning()
                             << grpcStream->method() << "call" << d->service << "stream finished.";
-                    auto it = std::find_if(d->activeStreams.begin(), d->activeStreams.end(),
-                                           [grpcStream](std::shared_ptr<QGrpcStream> activeStream) {
-                                               return *activeStream == *grpcStream;
-                                           });
 
+                    auto it =
+                            std::find(d->activeStreams.begin(), d->activeStreams.end(), grpcStream);
                     if (it != d->activeStreams.end())
                         d->activeStreams.erase(it);
 

src/grpc/qgrpcstream.h

@@ -32,11 +32,6 @@ public:
     QByteArrayView arg() const;
     void updateData(const QByteArray &data);
 
-    bool operator==(const QGrpcStream &other) const
-    {
-        return other.method() == method() && other.arg() == arg();
-    }
-
 Q_SIGNALS:
     void messageReceived();